Add project and todo management

backend/src/index.ts

@@ -144,6 +144,24 @@ type OrganizationRow = {
   synced_at: string;
 };
 
+type ProjectRow = {
+  id: string;
+  ticket_id: string;
+  ticket_number: string;
+  organization_id: string | null;
+  organization_name: string | null;
+  customer_name: string | null;
+  work_type: "support" | "consulting" | null;
+  teamspace_project: string | null;
+  description: string;
+  goals: string;
+  starts_on: string | null;
+  ends_on: string | null;
+  hour_budget_minutes: number | null;
+  created_at: string;
+  updated_at: string;
+};
+
 const zammadBaseUrlSettingKey = "zammad.base_url";
 const zammadApiKeySettingKey = "zammad.api_key";
 
@@ -192,6 +210,44 @@ function optionalBoolean(value: unknown, fallback: boolean) {
   return value;
 }
 
+function parseOptionalDateOnly(value: unknown, field: string) {
+  if (value === undefined || value === null || value === "") {
+    return null;
+  }
+
+  return parseDay(String(value)).start;
+}
+
+function parseOptionalNonNegativeInteger(value: unknown, field: string) {
+  if (value === undefined || value === null || value === "") {
+    return null;
+  }
+
+  const number = Number(value);
+
+  if (!Number.isInteger(number) || number < 0) {
+    throw badRequest(`${field} must be a non-negative integer`);
+  }
+
+  return number;
+}
+
+function parseTodoPriority(value: unknown) {
+  if (value !== "low" && value !== "medium" && value !== "high" && value !== "urgent") {
+    throw badRequest("priority must be low, medium, high or urgent");
+  }
+
+  return value;
+}
+
+function parseTodoStatus(value: unknown) {
+  if (value !== "open" && value !== "done") {
+    throw badRequest("status must be open or done");
+  }
+
+  return value;
+}
+
 const periodConfigs: Record<string, PeriodConfig> = {
   months: {
     type: "month",
@@ -514,6 +570,16 @@ async function cleanupEmptyTickets(client: { query: (text: string, params?: unkn
           SELECT 1
           FROM sessions s
           WHERE s.ticket_id = t.id
+        )
+        AND NOT EXISTS (
+          SELECT 1
+          FROM projects p
+          WHERE p.ticket_id = t.id
+        )
+        AND NOT EXISTS (
+          SELECT 1
+          FROM ticket_todos tt
+          WHERE tt.ticket_id = t.id
         );
     `,
     [uniqueTicketIds]
@@ -1261,7 +1327,7 @@ async function getTicketDetails(ticketId: number, userId: string, filters: { mon
   }
 
   const sessionWhere = where.join(" AND ");
-  const [sessionsResult, dayBillingResult, monthsResult, closureResult] = await Promise.all([
+  const [sessionsResult, dayBillingResult, monthsResult, closureResult, projectResult, todosResult] = await Promise.all([
     query(
       `
         SELECT
@@ -1329,7 +1395,62 @@ async function getTicketDetails(ticketId: number, userId: string, filters: { mon
     ),
     filters.month
       ? query<{ closed_at: string }>("SELECT closed_at FROM month_closures WHERE month = $1::date AND user_id = $2;", [filters.month.start, userId])
-      : Promise.resolve({ rows: [] as { closed_at: string }[], rowCount: 0 })
+      : Promise.resolve({ rows: [] as { closed_at: string }[], rowCount: 0 }),
+    query(
+      `
+        SELECT
+          p.id::text AS id,
+          p.ticket_id::text AS ticket_id,
+          t.ticket_number,
+          t.organization_id::text AS organization_id,
+          o.name AS organization_name,
+          COALESCE(o.name, t.customer_name) AS customer_name,
+          t.work_type,
+          p.teamspace_project,
+          p.description,
+          p.goals,
+          p.starts_on::text AS starts_on,
+          p.ends_on::text AS ends_on,
+          p.hour_budget_minutes,
+          p.created_at,
+          p.updated_at
+        FROM projects p
+        JOIN tickets t ON t.id = p.ticket_id
+        LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+        WHERE p.ticket_id = $1
+          AND p.user_id = $2;
+      `,
+      [ticketId, userId]
+    ),
+    query(
+      `
+        SELECT
+          tt.id::text AS id,
+          tt.ticket_id::text AS ticket_id,
+          t.ticket_number,
+          COALESCE(o.name, t.customer_name) AS organization_name,
+          p.id::text AS project_id,
+          p.teamspace_project,
+          tt.title,
+          tt.description,
+          tt.priority,
+          tt.status,
+          tt.completed_at,
+          tt.created_at,
+          tt.updated_at
+        FROM ticket_todos tt
+        JOIN tickets t ON t.id = tt.ticket_id
+        LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+        LEFT JOIN projects p ON p.ticket_id = tt.ticket_id AND p.user_id = tt.user_id
+        WHERE tt.ticket_id = $1
+          AND tt.user_id = $2
+        ORDER BY
+          CASE tt.status WHEN 'open' THEN 0 ELSE 1 END,
+          CASE tt.priority WHEN 'urgent' THEN 0 WHEN 'high' THEN 1 WHEN 'medium' THEN 2 ELSE 3 END,
+          tt.updated_at DESC;
+      `,
+      [ticketId, userId]
+    )
   ]);
 
   const sessions = sessionsResult.rows;
@@ -1358,6 +1479,8 @@ async function getTicketDetails(ticketId: number, userId: string, filters: { mon
     },
     sessions,
     dayBillings: dayBillingResult.rows,
+    project: projectResult.rows[0] ?? null,
+    todos: todosResult.rows,
     canClose: false,
     openCount,
     ticketOpenCount: Number(ticket.ticket_open_count ?? 0)
@@ -1866,6 +1989,8 @@ const databaseExportTables = [
   "app_settings",
   "organizations",
   "tickets",
+  "projects",
+  "ticket_todos",
   "recurring_billings",
   "recurring_billing_slots",
   "recurring_billing_exceptions",
@@ -2775,14 +2900,15 @@ app.post("/api/sessions", requireUser, async (req, res) => {
 
   const roundedMinutes = Math.max(1, Math.round(durationSeconds / 60));
   const created = await withTransaction(async (client) => {
-    const existingTicketResult = await client.query<{ id: string; organization_id: string | null; customer_name: string | null; work_type: string | null }>(
+    const existingTicketResult = await client.query<{ id: string; organization_id: string | null; customer_name: string | null; work_type: string | null; project_id: string | null }>(
       `
-        SELECT id, organization_id, customer_name, work_type
-        FROM tickets
-        WHERE ticket_number = $1
-        FOR UPDATE;
+        SELECT t.id, t.organization_id, t.customer_name, t.work_type, p.id AS project_id
+        FROM tickets t
+        LEFT JOIN projects p ON p.ticket_id = t.id AND p.user_id = $2
+        WHERE t.ticket_number = $1
+        FOR UPDATE OF t;
       `,
-      [ticketNumber]
+      [ticketNumber, user.id]
     );
     const existingTicket = existingTicketResult.rows[0] ?? null;
     const effectiveOrganizationId = existingTicket?.organization_id ? Number(existingTicket.organization_id) : requestedOrganizationId;
@@ -2805,14 +2931,16 @@ app.post("/api/sessions", requireUser, async (req, res) => {
         DO UPDATE SET
           organization_id = COALESCE(tickets.organization_id, EXCLUDED.organization_id),
           customer_name = COALESCE(tickets.customer_name, EXCLUDED.customer_name),
-          work_type = COALESCE(tickets.work_type, EXCLUDED.work_type)
+          work_type = CASE WHEN EXISTS (
+            SELECT 1 FROM projects p WHERE p.ticket_id = tickets.id AND p.user_id = $5
+          ) THEN 'consulting' ELSE COALESCE(tickets.work_type, EXCLUDED.work_type) END
         RETURNING id, ticket_number, organization_id, customer_name, work_type;
       `,
-      [ticketNumber, organization.id, organization.name, requestedWorkType]
+      [ticketNumber, organization.id, organization.name, existingTicket?.project_id ? "consulting" : requestedWorkType, user.id]
     );
 
     const ticket = ticketResult.rows[0];
-    const workType = ticket.work_type ?? requestedWorkType;
+    const workType = existingTicket?.project_id ? "consulting" : ticket.work_type ?? requestedWorkType;
 
     if (!workType) {
       throw badRequest("workType must be support or consulting");
@@ -2872,6 +3000,7 @@ app.get("/api/statistics/months/:month", requireUser, async (req, res) => {
 
 app.get("/api/tickets/lookup", requireUser, async (req, res) => {
   const ticketNumber = parseTicketNumber(req.query.ticketNumber);
+  const userId = currentUser(req).id;
   const result = await query(
     `
       SELECT
@@ -2880,12 +3009,16 @@ app.get("/api/tickets/lookup", requireUser, async (req, res) => {
         t.organization_id,
         o.name AS organization_name,
         COALESCE(o.name, t.customer_name) AS customer_name,
-        t.work_type
+        t.work_type,
+        p.id::text AS project_id,
+        (p.id IS NOT NULL) AS is_project,
+        p.teamspace_project AS project_name
       FROM tickets t
       LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+      LEFT JOIN projects p ON p.ticket_id = t.id AND p.user_id = $2
       WHERE t.ticket_number = $1;
     `,
-    [ticketNumber]
+    [ticketNumber, userId]
   );
 
   res.json({
@@ -2915,23 +3048,30 @@ app.get("/api/tickets/search", requireUser, async (req, res) => {
         COALESCE(o.name, t.customer_name, '') AS organization_name,
         COALESCE(o.name, t.customer_name, '') AS customer_name,
         t.work_type,
-        MAX(s.started_at) AS latest_started_at,
-        to_char(MAX(s.started_at) AT TIME ZONE 'Europe/Berlin', 'YYYY-MM') AS latest_period,
-        COUNT(s.id)::int AS session_count,
-        COALESCE(SUM(s.rounded_minutes), 0)::int AS total_minutes
+        p.id::text AS project_id,
+        (p.id IS NOT NULL) AS is_project,
+        p.teamspace_project AS project_name,
+        MAX(s.started_at) FILTER (WHERE s.user_id = $1) AS latest_started_at,
+        COALESCE(to_char(MAX(s.started_at) FILTER (WHERE s.user_id = $1) AT TIME ZONE 'Europe/Berlin', 'YYYY-MM'), '') AS latest_period,
+        COUNT(s.id) FILTER (WHERE s.user_id = $1)::int AS session_count,
+        COALESCE(SUM(s.rounded_minutes) FILTER (WHERE s.user_id = $1), 0)::int AS total_minutes
       FROM tickets t
-      JOIN sessions s ON s.ticket_id = t.id
+      LEFT JOIN sessions s ON s.ticket_id = t.id
       LEFT JOIN organizations o ON o.zammad_id = t.organization_id
-      WHERE s.user_id = $1
+      LEFT JOIN projects p ON p.ticket_id = t.id AND p.user_id = $1
+      WHERE (s.user_id = $1 OR p.id IS NOT NULL)
         AND (
           t.ticket_number ILIKE $2
           OR replace(t.ticket_number, 'Ticket#', '') ILIKE $3
           OR COALESCE(o.name, '') ILIKE $2
           OR COALESCE(t.customer_name, '') ILIKE $2
-          OR COALESCE(s.customer_name, '') ILIKE $2
-          OR s.activity ILIKE $2
+          OR (s.user_id = $1 AND COALESCE(s.customer_name, '') ILIKE $2)
+          OR (s.user_id = $1 AND s.activity ILIKE $2)
+          OR COALESCE(p.teamspace_project, '') ILIKE $2
+          OR COALESCE(p.description, '') ILIKE $2
+          OR COALESCE(p.goals, '') ILIKE $2
         )
-      GROUP BY t.id, t.ticket_number, t.organization_id, o.name, t.customer_name, t.work_type
+      GROUP BY t.id, t.ticket_number, t.organization_id, o.name, t.customer_name, t.work_type, p.id, p.teamspace_project
       ORDER BY
         CASE
           WHEN lower(t.ticket_number) = lower($4) THEN 0
@@ -2939,7 +3079,7 @@ app.get("/api/tickets/search", requireUser, async (req, res) => {
           WHEN t.ticket_number ILIKE $3 THEN 2
           ELSE 3
         END,
-        MAX(s.started_at) DESC,
+        MAX(s.started_at) FILTER (WHERE s.user_id = $1) DESC NULLS LAST,
         t.ticket_number ASC
       LIMIT 12;
     `,
@@ -2949,6 +3089,484 @@ app.get("/api/tickets/search", requireUser, async (req, res) => {
   res.json({ tickets: result.rows });
 });
 
+app.get("/api/projects", requireUser, async (req, res) => {
+  const userId = currentUser(req).id;
+  const result = await query(
+    `
+      SELECT
+        p.id::text AS id,
+        p.ticket_id::text AS ticket_id,
+        t.ticket_number,
+        t.organization_id::text AS organization_id,
+        o.name AS organization_name,
+        COALESCE(o.name, t.customer_name) AS customer_name,
+        t.work_type,
+        p.teamspace_project,
+        p.description,
+        p.goals,
+        p.starts_on::text AS starts_on,
+        p.ends_on::text AS ends_on,
+        p.hour_budget_minutes,
+        p.created_at,
+        p.updated_at,
+        COALESCE(session_totals.session_count, 0)::int AS session_count,
+        COALESCE(session_totals.billed_minutes, 0)::int AS billed_minutes,
+        COALESCE(todo_totals.open_todos, 0)::int AS open_todos,
+        COALESCE(todo_totals.done_todos, 0)::int AS done_todos
+      FROM projects p
+      JOIN tickets t ON t.id = p.ticket_id
+      LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+      LEFT JOIN LATERAL (
+        SELECT
+          COUNT(*)::int AS session_count,
+          COALESCE(SUM(rounded_minutes) FILTER (WHERE billing_status = 'billed'), 0)::int AS billed_minutes
+        FROM sessions s
+        WHERE s.ticket_id = p.ticket_id
+          AND s.user_id = p.user_id
+      ) session_totals ON true
+      LEFT JOIN LATERAL (
+        SELECT
+          COUNT(*) FILTER (WHERE status = 'open')::int AS open_todos,
+          COUNT(*) FILTER (WHERE status = 'done')::int AS done_todos
+        FROM ticket_todos tt
+        WHERE tt.ticket_id = p.ticket_id
+          AND tt.user_id = p.user_id
+      ) todo_totals ON true
+      WHERE p.user_id = $1
+      ORDER BY p.updated_at DESC, t.ticket_number ASC;
+    `,
+    [userId]
+  );
+
+  res.json({ projects: result.rows });
+});
+
+app.get("/api/projects/:projectId", requireUser, async (req, res) => {
+  const projectId = parsePositiveInteger(req.params.projectId, "projectId");
+  const userId = currentUser(req).id;
+  const result = await query<ProjectRow>(
+    `
+      SELECT
+        p.id::text AS id,
+        p.ticket_id::text AS ticket_id,
+        t.ticket_number,
+        t.organization_id::text AS organization_id,
+        o.name AS organization_name,
+        COALESCE(o.name, t.customer_name) AS customer_name,
+        t.work_type,
+        p.teamspace_project,
+        p.description,
+        p.goals,
+        p.starts_on::text AS starts_on,
+        p.ends_on::text AS ends_on,
+        p.hour_budget_minutes,
+        p.created_at,
+        p.updated_at
+      FROM projects p
+      JOIN tickets t ON t.id = p.ticket_id
+      LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+      WHERE p.id = $1
+        AND p.user_id = $2;
+    `,
+    [projectId, userId]
+  );
+
+  if (result.rowCount === 0) {
+    res.status(404).json({ error: "Projekt nicht gefunden" });
+    return;
+  }
+
+  res.json({ project: result.rows[0] });
+});
+
+app.post("/api/projects", requireUser, async (req, res) => {
+  const userId = currentUser(req).id;
+  const ticketNumber = parseTicketNumber(req.body.ticketNumber);
+  const requestOrganizationId = req.body.organizationId === undefined || req.body.organizationId === "" ? null : parseOrganizationId(req.body.organizationId);
+  const teamspaceProject = optionalString(req.body.teamspaceProject);
+  const description = optionalString(req.body.description) ?? "";
+  const goals = optionalString(req.body.goals) ?? "";
+  const startsOn = parseOptionalDateOnly(req.body.startsOn, "startsOn");
+  const endsOn = parseOptionalDateOnly(req.body.endsOn, "endsOn");
+  const hourBudgetMinutes = parseOptionalNonNegativeInteger(req.body.hourBudgetMinutes, "hourBudgetMinutes");
+
+  if (startsOn && endsOn && endsOn < startsOn) {
+    throw badRequest("endsOn must be after startsOn");
+  }
+
+  try {
+    const created = await withTransaction(async (client) => {
+      const existingTicket = await client.query<{
+        id: string;
+        organization_id: string | null;
+        customer_name: string | null;
+      }>(
+        `
+          SELECT id, organization_id::text AS organization_id, customer_name
+          FROM tickets
+          WHERE ticket_number = $1
+          FOR UPDATE;
+        `,
+        [ticketNumber]
+      );
+
+      const organizationId = existingTicket.rows[0]?.organization_id ? Number(existingTicket.rows[0].organization_id) : requestOrganizationId;
+
+      if (!organizationId) {
+        return "organization-required" as const;
+      }
+
+      const organization = await getOrganizationByZammadId(client, organizationId);
+
+      if (!organization) {
+        return "organization-not-found" as const;
+      }
+
+      const ticketResult = await client.query<{ id: string }>(
+        `
+          INSERT INTO tickets (ticket_number, organization_id, customer_name, work_type)
+          VALUES ($1, $2, $3, 'consulting')
+          ON CONFLICT (ticket_number)
+          DO UPDATE SET
+            organization_id = EXCLUDED.organization_id,
+            customer_name = EXCLUDED.customer_name,
+            work_type = 'consulting'
+          RETURNING id;
+        `,
+        [ticketNumber, organization.id, organization.name]
+      );
+
+      const ticketId = ticketResult.rows[0].id;
+
+      await client.query(
+        `
+          UPDATE sessions
+          SET organization_id = $1,
+              customer_name = $2,
+              work_type = 'consulting'
+          WHERE ticket_id = $3
+            AND user_id = $4
+            AND recurring_billing_id IS NULL;
+        `,
+        [organization.id, organization.name, ticketId, userId]
+      );
+
+      const projectResult = await client.query<ProjectRow>(
+        `
+          INSERT INTO projects (
+            user_id,
+            ticket_id,
+            teamspace_project,
+            description,
+            goals,
+            starts_on,
+            ends_on,
+            hour_budget_minutes
+          )
+          VALUES ($1, $2, $3, $4, $5, $6::date, $7::date, $8)
+          RETURNING
+            id::text,
+            ticket_id::text,
+            $9::text AS ticket_number,
+            $10::text AS organization_id,
+            $11::text AS organization_name,
+            $11::text AS customer_name,
+            'consulting'::text AS work_type,
+            teamspace_project,
+            description,
+            goals,
+            starts_on::text,
+            ends_on::text,
+            hour_budget_minutes,
+            created_at,
+            updated_at;
+        `,
+        [userId, ticketId, teamspaceProject, description, goals, startsOn, endsOn, hourBudgetMinutes, ticketNumber, organization.id, organization.name]
+      );
+
+      return projectResult.rows[0];
+    });
+
+    if (created === "organization-required") {
+      res.status(400).json({ error: "Organisation ist erforderlich, wenn das Ticket noch keine Stammdaten hat" });
+      return;
+    }
+
+    if (created === "organization-not-found") {
+      res.status(404).json({ error: "Organisation nicht gefunden" });
+      return;
+    }
+
+    res.status(201).json({ project: created });
+  } catch (error: any) {
+    if (error?.code === "23505") {
+      res.status(409).json({ error: "Dieses Ticket ist bereits als Projekt angelegt" });
+      return;
+    }
+
+    throw error;
+  }
+});
+
+app.patch("/api/projects/:projectId", requireUser, async (req, res) => {
+  const projectId = parsePositiveInteger(req.params.projectId, "projectId");
+  const userId = currentUser(req).id;
+  const ticketNumber = parseTicketNumber(req.body.ticketNumber);
+  const organizationId = parseOrganizationId(req.body.organizationId);
+  const teamspaceProject = optionalString(req.body.teamspaceProject);
+  const description = optionalString(req.body.description) ?? "";
+  const goals = optionalString(req.body.goals) ?? "";
+  const startsOn = parseOptionalDateOnly(req.body.startsOn, "startsOn");
+  const endsOn = parseOptionalDateOnly(req.body.endsOn, "endsOn");
+  const hourBudgetMinutes = parseOptionalNonNegativeInteger(req.body.hourBudgetMinutes, "hourBudgetMinutes");
+
+  if (startsOn && endsOn && endsOn < startsOn) {
+    throw badRequest("endsOn must be after startsOn");
+  }
+
+  try {
+    const updated = await withTransaction(async (client) => {
+      const projectResult = await client.query<{ id: string; ticket_id: string }>(
+        `
+          SELECT id, ticket_id
+          FROM projects
+          WHERE id = $1
+            AND user_id = $2
+          FOR UPDATE;
+        `,
+        [projectId, userId]
+      );
+
+      if (projectResult.rowCount === 0) {
+        return null;
+      }
+
+      const organization = await getOrganizationByZammadId(client, organizationId);
+
+      if (!organization) {
+        return "organization-not-found" as const;
+      }
+
+      await client.query(
+        `
+          UPDATE tickets
+          SET ticket_number = $1,
+              organization_id = $2,
+              customer_name = $3,
+              work_type = 'consulting'
+          WHERE id = $4;
+        `,
+        [ticketNumber, organization.id, organization.name, projectResult.rows[0].ticket_id]
+      );
+
+      await client.query(
+        `
+          UPDATE sessions
+          SET organization_id = $1,
+              customer_name = $2,
+              work_type = CASE WHEN recurring_billing_id IS NULL THEN 'consulting' ELSE work_type END
+          WHERE ticket_id = $3
+            AND user_id = $4;
+        `,
+        [organization.id, organization.name, projectResult.rows[0].ticket_id, userId]
+      );
+
+      const result = await client.query<ProjectRow>(
+        `
+          UPDATE projects
+          SET teamspace_project = $1,
+              description = $2,
+              goals = $3,
+              starts_on = $4::date,
+              ends_on = $5::date,
+              hour_budget_minutes = $6,
+              updated_at = now()
+          WHERE id = $7
+            AND user_id = $8
+          RETURNING
+            id::text,
+            ticket_id::text,
+            $9::text AS ticket_number,
+            $10::text AS organization_id,
+            $11::text AS organization_name,
+            $11::text AS customer_name,
+            'consulting'::text AS work_type,
+            teamspace_project,
+            description,
+            goals,
+            starts_on::text,
+            ends_on::text,
+            hour_budget_minutes,
+            created_at,
+            updated_at;
+        `,
+        [teamspaceProject, description, goals, startsOn, endsOn, hourBudgetMinutes, projectId, userId, ticketNumber, organization.id, organization.name]
+      );
+
+      return result.rows[0];
+    });
+
+    if (updated === "organization-not-found") {
+      res.status(404).json({ error: "Organisation nicht gefunden" });
+      return;
+    }
+
+    if (!updated) {
+      res.status(404).json({ error: "Projekt nicht gefunden" });
+      return;
+    }
+
+    res.json({ project: updated });
+  } catch (error: any) {
+    if (error?.code === "23505") {
+      res.status(409).json({ error: "Ticketnummer ist bereits vergeben" });
+      return;
+    }
+
+    throw error;
+  }
+});
+
+app.get("/api/todos", requireUser, async (req, res) => {
+  const userId = currentUser(req).id;
+  const status = req.query.status === "done" || req.query.status === "open" ? req.query.status : "all";
+  const params: unknown[] = [userId];
+  const where = ["tt.user_id = $1"];
+
+  if (status !== "all") {
+    params.push(status);
+    where.push(`tt.status = $${params.length}`);
+  }
+
+  const result = await query(
+    `
+      SELECT
+        tt.id::text AS id,
+        tt.ticket_id::text AS ticket_id,
+        t.ticket_number,
+        COALESCE(o.name, t.customer_name) AS organization_name,
+        p.id::text AS project_id,
+        p.teamspace_project,
+        tt.title,
+        tt.description,
+        tt.priority,
+        tt.status,
+        tt.completed_at,
+        tt.created_at,
+        tt.updated_at
+      FROM ticket_todos tt
+      JOIN tickets t ON t.id = tt.ticket_id
+      LEFT JOIN organizations o ON o.zammad_id = t.organization_id
+      LEFT JOIN projects p ON p.ticket_id = tt.ticket_id AND p.user_id = tt.user_id
+      WHERE ${where.join(" AND ")}
+      ORDER BY
+        CASE tt.status WHEN 'open' THEN 0 ELSE 1 END,
+        CASE tt.priority WHEN 'urgent' THEN 0 WHEN 'high' THEN 1 WHEN 'medium' THEN 2 ELSE 3 END,
+        tt.updated_at DESC;
+    `,
+    params
+  );
+
+  res.json({ todos: result.rows });
+});
+
+app.post("/api/tickets/:ticketId/todos", requireUser, async (req, res) => {
+  const ticketId = parsePositiveInteger(req.params.ticketId, "ticketId");
+  const userId = currentUser(req).id;
+  const title = requireString(req.body.title, "title");
+  const description = optionalString(req.body.description) ?? "";
+  const priority = parseTodoPriority(req.body.priority ?? "medium");
+
+  const ticketResult = await query<{ id: string }>("SELECT id FROM tickets WHERE id = $1;", [ticketId]);
+
+  if (ticketResult.rowCount === 0) {
+    res.status(404).json({ error: "Ticket nicht gefunden" });
+    return;
+  }
+
+  const result = await query(
+    `
+      INSERT INTO ticket_todos (ticket_id, user_id, title, description, priority)
+      VALUES ($1, $2, $3, $4, $5)
+      RETURNING
+        id::text,
+        ticket_id::text,
+        title,
+        description,
+        priority,
+        status,
+        completed_at,
+        created_at,
+        updated_at;
+    `,
+    [ticketId, userId, title, description, priority]
+  );
+
+  res.status(201).json({ todo: result.rows[0] });
+});
+
+app.patch("/api/todos/:todoId", requireUser, async (req, res) => {
+  const todoId = parsePositiveInteger(req.params.todoId, "todoId");
+  const userId = currentUser(req).id;
+  const title = requireString(req.body.title, "title");
+  const description = optionalString(req.body.description) ?? "";
+  const priority = parseTodoPriority(req.body.priority);
+  const status = parseTodoStatus(req.body.status);
+
+  const result = await query(
+    `
+      UPDATE ticket_todos
+      SET title = $1,
+          description = $2,
+          priority = $3,
+          status = $4,
+          completed_at = CASE WHEN $4 = 'done' THEN COALESCE(completed_at, now()) ELSE NULL END,
+          updated_at = now()
+      WHERE id = $5
+        AND user_id = $6
+      RETURNING
+        id::text,
+        ticket_id::text,
+        title,
+        description,
+        priority,
+        status,
+        completed_at,
+        created_at,
+        updated_at;
+    `,
+    [title, description, priority, status, todoId, userId]
+  );
+
+  if (result.rowCount === 0) {
+    res.status(404).json({ error: "ToDo nicht gefunden" });
+    return;
+  }
+
+  res.json({ todo: result.rows[0] });
+});
+
+app.delete("/api/todos/:todoId", requireUser, async (req, res) => {
+  const todoId = parsePositiveInteger(req.params.todoId, "todoId");
+  const userId = currentUser(req).id;
+  const result = await query(
+    `
+      DELETE FROM ticket_todos
+      WHERE id = $1
+        AND user_id = $2
+      RETURNING id::text;
+    `,
+    [todoId, userId]
+  );
+
+  if (result.rowCount === 0) {
+    res.status(404).json({ error: "ToDo nicht gefunden" });
+    return;
+  }
+
+  res.json({ deleted: result.rows[0] });
+});
+
 app.get("/api/tickets/:ticketId/details", requireUser, async (req, res) => {
   const ticketId = parsePositiveInteger(req.params.ticketId, "ticketId");
   const result = await getTicketDetails(ticketId, currentUser(req).id, {
@@ -2979,6 +3597,16 @@ app.patch("/api/tickets/:ticketId", requireUser, async (req, res) => {
         return "organization-not-found" as const;
       }
 
+      const projectResult = await client.query<{ id: string }>(
+        `
+          SELECT id
+          FROM projects
+          WHERE ticket_id = $1
+            AND user_id = $2;
+        `,
+        [ticketId, currentUser(req).id]
+      );
+      const effectiveWorkType = projectResult.rowCount && projectResult.rowCount > 0 ? "consulting" : workType;
       const ticketResult = await client.query(
         `
           UPDATE tickets
@@ -2989,7 +3617,7 @@ app.patch("/api/tickets/:ticketId", requireUser, async (req, res) => {
           WHERE id = $5
           RETURNING id, ticket_number, organization_id, customer_name, work_type;
         `,
-        [ticketNumber, organization.id, organization.name, workType, ticketId]
+        [ticketNumber, organization.id, organization.name, effectiveWorkType, ticketId]
       );
 
       if (ticketResult.rowCount === 0) {
@@ -3004,7 +3632,7 @@ app.patch("/api/tickets/:ticketId", requireUser, async (req, res) => {
               work_type = CASE WHEN recurring_billing_id IS NULL THEN $3 ELSE work_type END
           WHERE ticket_id = $4;
         `,
-        [organization.id, organization.name, workType, ticketId]
+        [organization.id, organization.name, effectiveWorkType, ticketId]
       );
 
       return ticketResult.rows[0];
@@ -3487,6 +4115,7 @@ app.patch("/api/sessions/:sessionId/details", requireUser, async (req, res) => {
       work_type: "support" | "consulting";
       recurring_billing_id: string | null;
       recurring_work_type: "support" | "consulting" | null;
+      project_id: string | null;
       month_closed_at: string | null;
     }>(
       `
@@ -3497,9 +4126,11 @@ app.patch("/api/sessions/:sessionId/details", requireUser, async (req, res) => {
           s.work_type,
           s.recurring_billing_id,
           rb.work_type AS recurring_work_type,
+          p.id AS project_id,
           mc.closed_at AS month_closed_at
         FROM sessions s
         LEFT JOIN recurring_billings rb ON rb.id = s.recurring_billing_id
+        LEFT JOIN projects p ON p.ticket_id = s.ticket_id AND p.user_id = s.user_id
         LEFT JOIN month_closures mc
           ON mc.month = date_trunc('month', s.started_at AT TIME ZONE 'Europe/Berlin')::date
           AND mc.user_id = s.user_id
@@ -3529,7 +4160,7 @@ app.patch("/api/sessions/:sessionId/details", requireUser, async (req, res) => {
       return "month-closed" as const;
     }
 
-    const effectiveWorkType = current.recurring_billing_id ? current.recurring_work_type ?? current.work_type : workType;
+    const effectiveWorkType = current.project_id ? "consulting" : current.recurring_billing_id ? current.recurring_work_type ?? current.work_type : workType;
     await reopenPeriodsForSession(client, current.ticket_id, new Date(current.started_at), userId);
     await reopenPeriodsForSession(client, current.ticket_id, startedAt, userId);
 

backend/src/migrations.ts

@@ -435,6 +435,42 @@ export async function migrate() {
     );
   `);
 
+  await query(`
+    CREATE TABLE IF NOT EXISTS projects (
+      id BIGSERIAL PRIMARY KEY,
+      user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+      ticket_id BIGINT NOT NULL REFERENCES tickets(id) ON DELETE CASCADE,
+      teamspace_project TEXT,
+      description TEXT NOT NULL DEFAULT '',
+      goals TEXT NOT NULL DEFAULT '',
+      starts_on DATE,
+      ends_on DATE,
+      hour_budget_minutes INTEGER,
+      created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+      updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+      UNIQUE (user_id, ticket_id),
+      CONSTRAINT projects_budget_non_negative CHECK (hour_budget_minutes IS NULL OR hour_budget_minutes >= 0),
+      CONSTRAINT projects_valid_range CHECK (starts_on IS NULL OR ends_on IS NULL OR ends_on >= starts_on)
+    );
+  `);
+
+  await query(`
+    CREATE TABLE IF NOT EXISTS ticket_todos (
+      id BIGSERIAL PRIMARY KEY,
+      user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+      ticket_id BIGINT NOT NULL REFERENCES tickets(id) ON DELETE CASCADE,
+      title TEXT NOT NULL,
+      description TEXT NOT NULL DEFAULT '',
+      priority TEXT NOT NULL DEFAULT 'medium',
+      status TEXT NOT NULL DEFAULT 'open',
+      completed_at TIMESTAMPTZ,
+      created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+      updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
+      CONSTRAINT ticket_todos_priority_valid CHECK (priority IN ('low', 'medium', 'high', 'urgent')),
+      CONSTRAINT ticket_todos_status_valid CHECK (status IN ('open', 'done'))
+    );
+  `);
+
   await ensureClosureOwnership("ticket_month_closures", "month", ["ticket_id", "month"], adminId);
   await ensureClosureOwnership("month_closures", "month", ["month"], adminId);
   await ensureClosureOwnership("ticket_day_closures", "day", ["ticket_id", "day"], adminId);
@@ -450,6 +486,10 @@ export async function migrate() {
   await query("CREATE INDEX IF NOT EXISTS idx_ticket_day_closures_day ON ticket_day_closures(day);");
   await query("CREATE INDEX IF NOT EXISTS idx_ticket_day_billings_user_day ON ticket_day_billings(user_id, day);");
   await query("CREATE INDEX IF NOT EXISTS idx_ticket_day_billing_ack_user_day ON ticket_day_billing_acknowledgements(user_id, day);");
+  await query("CREATE INDEX IF NOT EXISTS idx_projects_user_ticket ON projects(user_id, ticket_id);");
+  await query("CREATE INDEX IF NOT EXISTS idx_projects_user_updated ON projects(user_id, updated_at DESC);");
+  await query("CREATE INDEX IF NOT EXISTS idx_ticket_todos_user_status_priority ON ticket_todos(user_id, status, priority);");
+  await query("CREATE INDEX IF NOT EXISTS idx_ticket_todos_ticket_user ON ticket_todos(ticket_id, user_id);");
   await query("CREATE INDEX IF NOT EXISTS idx_recurring_billings_user_active ON recurring_billings(user_id, active);");
   await query("UPDATE recurring_billings SET active = true WHERE active = false;");
   await query(`

frontend/src/App.tsx

@@ -6,8 +6,10 @@ import {
   ChartNoAxesCombined,
   CircleHelp,
   FileText,
+  FolderKanban,
   GripVertical,
   LayoutGrid,
+  ListTodo,
   LogOut,
   Moon,
   Pause,
@@ -65,11 +67,13 @@ import { FaqPage } from "./views/FaqPage";
 import { LoginPage } from "./views/LoginPage";
 import { MonthlyClosePage } from "./views/MonthlyClosePage";
 import { ProfilePage } from "./views/ProfilePage";
+import { ProjectsPage } from "./views/ProjectsPage";
 import { RecurringBillingsPage } from "./views/RecurringBillingsPage";
 import { StatisticsPage } from "./views/StatisticsPage";
 import { SetupPage } from "./views/SetupPage";
 import { TicketDetailPage } from "./views/TicketDetailPage";
 import { TimerPage } from "./views/TimerPage";
+import { TodosPage } from "./views/TodosPage";
 import type { AuthUser, PeriodType, TicketDetailPeriodType, TicketSearchResult } from "./types";
 import type { Dispatch, DragEvent, SetStateAction } from "react";
 
@@ -177,6 +181,14 @@ function routeFromPath(pathWithSearch: string) {
     return { page: "statistics" as const };
   }
 
+  if (pathname.startsWith("/projects")) {
+    return { page: "projects" as const };
+  }
+
+  if (pathname.startsWith("/todos")) {
+    return { page: "todos" as const };
+  }
+
   if (pathname.startsWith("/faq")) {
     return { page: "faq" as const };
   }
@@ -387,11 +399,15 @@ function HeaderTicketSearch({ className, onNavigate }: HeaderTicketSearchProps)
                     }}
                   >
                     <span className="flex min-w-0 items-center justify-between gap-3">
-                      <span className="truncate text-sm font-medium">{ticket.ticket_number}</span>
+                      <span className="flex min-w-0 items-center gap-2">
+                        <span className="truncate text-sm font-medium">{ticket.ticket_number}</span>
+                        {ticket.is_project ? <span className="rounded-full border px-1.5 py-0.5 text-[10px] uppercase text-muted-foreground">Projekt</span> : null}
+                      </span>
                       <span className="shrink-0 text-xs text-muted-foreground">{formatMinutes(ticket.total_minutes)}</span>
                     </span>
                     <span className="truncate text-xs text-muted-foreground">
-                      {ticket.organization_name || ticket.customer_name || "Keine Organisation"} · {ticket.session_count} Session(s) · zuletzt {formatDateTime(ticket.latest_started_at)}
+                      {ticket.project_name || ticket.organization_name || ticket.customer_name || "Keine Organisation"} · {ticket.session_count} Session(s)
+                      {ticket.latest_started_at ? ` · zuletzt ${formatDateTime(ticket.latest_started_at)}` : ""}
                     </span>
                   </button>
                 ))
@@ -489,7 +505,8 @@ function SidebarTimers({ timers, selectedTimerId, setSelectedTimerId, setTimers,
                       </span>
                       {timer.organizationName ? (
                         <span className="block truncate text-[11px] leading-4 text-muted-foreground">
-                          {timer.organizationName}
+                          {timer.isProject ? "Projekt · " : ""}
+                          {timer.projectName || timer.organizationName}
                         </span>
                       ) : null}
                       <span className="block font-mono text-[11px] font-semibold leading-4 tracking-normal text-muted-foreground">
@@ -631,13 +648,17 @@ export function App() {
             return {
               id: timer.id,
               organizationName: result.ticket?.organization_name ?? result.ticket?.customer_name ?? null,
-              workType: result.ticket?.work_type ?? null
+              workType: result.ticket?.work_type ?? null,
+              isProject: Boolean(result.ticket?.is_project),
+              projectName: result.ticket?.project_name ?? null
             };
           } catch {
             return {
               id: timer.id,
               organizationName: null,
-              workType: null
+              workType: null,
+              isProject: false,
+              projectName: null
             };
           }
         })
@@ -659,6 +680,8 @@ export function App() {
             ...timer,
             organizationName: result.organizationName,
             workType: result.workType,
+            isProject: result.isProject,
+            projectName: result.projectName,
             ticketLookupDone: true
           };
         })
@@ -727,6 +750,8 @@ export function App() {
       ticketNumber,
       organizationName: ticketResult.ticket?.organization_name ?? ticketResult.ticket?.customer_name ?? null,
       workType: ticketResult.ticket?.work_type ?? null,
+      isProject: Boolean(ticketResult.ticket?.is_project),
+      projectName: ticketResult.ticket?.project_name ?? null,
       ticketLookupDone: true,
       startedAt: now,
       pausedTotalMs: 0,
@@ -737,7 +762,7 @@ export function App() {
     setTimers((current) => [...current.map((timer) => pauseEntry(timer, now)), newTimer]);
     setSelectedTimerId(newTimer.id);
     toast.success("Timer gestartet", {
-      description: ticketNumber
+      description: ticketResult.ticket?.is_project ? `${ticketNumber} ist ein Projekt` : ticketNumber
     });
     return true;
   }
@@ -870,6 +895,8 @@ export function App() {
           { type: "item" as const, href: "/monthly-close", label: "Monatsabschluss", icon: ClipboardCheck, active: path.startsWith("/monthly-close") },
           { type: "separator" as const, key: "after-monthly-close" },
           { type: "item" as const, href: "/statistics", label: "Statistiken", icon: ChartNoAxesCombined, active: path.startsWith("/statistics") },
+          { type: "item" as const, href: "/projects", label: "Projekte", icon: FolderKanban, active: path.startsWith("/projects") },
+          { type: "item" as const, href: "/todos", label: "ToDos", icon: ListTodo, active: path.startsWith("/todos") },
           { type: "item" as const, href: "/recurring", label: "Fixe Abrechnung", icon: Repeat, active: path.startsWith("/recurring") },
           { type: "separator" as const, key: "before-profile" },
           { type: "item" as const, href: "/profile", label: "Profil", icon: UserCog, active: path.startsWith("/profile") },
@@ -1130,6 +1157,8 @@ export function App() {
             {!isAdmin && route.page === "analysis" ? <AnalysisPage onNavigate={navigate} /> : null}
             {!isAdmin && route.page === "monthly-close" ? <MonthlyClosePage onNavigate={navigate} /> : null}
             {!isAdmin && route.page === "statistics" ? <StatisticsPage onNavigate={navigate} /> : null}
+            {!isAdmin && route.page === "projects" ? <ProjectsPage onNavigate={navigate} onStartTimer={startQuickTimer} /> : null}
+            {!isAdmin && route.page === "todos" ? <TodosPage onNavigate={navigate} /> : null}
             {!isAdmin && route.page === "recurring" ? <RecurringBillingsPage /> : null}
             {route.page === "faq" ? <FaqPage /> : null}
             {route.page === "profile" ? <ProfilePage currentUser={currentUser} onUserUpdated={setCurrentUser} /> : null}

frontend/src/api.ts

@@ -5,11 +5,15 @@ import type {
   Organization,
   PeriodOverview,
   PeriodType,
+  ProjectSummary,
   RecurringBilling,
   StatisticsOverview,
   TicketMeta,
   TicketPeriod,
+  TicketTodo,
   TicketSearchResult,
+  TodoPriority,
+  TodoStatus,
   WorkType
 } from "./types";
 
@@ -290,6 +294,94 @@ export function deleteRecurringBilling(billingId: string) {
   });
 }
 
+export function getProjects() {
+  return request<{ projects: ProjectSummary[] }>("/api/projects");
+}
+
+export function getProject(projectId: string) {
+  return request<{ project: ProjectSummary }>(`/api/projects/${projectId}`);
+}
+
+export function createProject(payload: {
+  ticketNumber: string;
+  organizationId?: string | null;
+  teamspaceProject?: string | null;
+  description: string;
+  goals: string;
+  startsOn?: string | null;
+  endsOn?: string | null;
+  hourBudgetMinutes?: number | null;
+}) {
+  return request<{ project: ProjectSummary }>("/api/projects", {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function updateProject(
+  projectId: string,
+  payload: {
+    ticketNumber: string;
+    organizationId: string;
+    teamspaceProject?: string | null;
+    description: string;
+    goals: string;
+    startsOn?: string | null;
+    endsOn?: string | null;
+    hourBudgetMinutes?: number | null;
+  }
+) {
+  return request<{ project: ProjectSummary }>(`/api/projects/${projectId}`, {
+    method: "PATCH",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function getTodos(status?: TodoStatus | "all") {
+  const params = new URLSearchParams();
+
+  if (status && status !== "all") {
+    params.set("status", status);
+  }
+
+  return request<{ todos: TicketTodo[] }>(`/api/todos${params.size ? `?${params}` : ""}`);
+}
+
+export function createTicketTodo(
+  ticketId: string,
+  payload: {
+    title: string;
+    description: string;
+    priority: TodoPriority;
+  }
+) {
+  return request<{ todo: TicketTodo }>(`/api/tickets/${ticketId}/todos`, {
+    method: "POST",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function updateTodo(
+  todoId: string,
+  payload: {
+    title: string;
+    description: string;
+    priority: TodoPriority;
+    status: TodoStatus;
+  }
+) {
+  return request<{ todo: TicketTodo }>(`/api/todos/${todoId}`, {
+    method: "PATCH",
+    body: JSON.stringify(payload)
+  });
+}
+
+export function deleteTodo(todoId: string) {
+  return request<{ deleted: { id: string } }>(`/api/todos/${todoId}`, {
+    method: "DELETE"
+  });
+}
+
 export function createSession(payload: CreateSessionPayload) {
   return request("/api/sessions", {
     method: "POST",

frontend/src/components/TodoPanel.tsx

@@ -0,0 +1,235 @@
+import { CheckCircle2, Circle, Pencil, Plus, Save, Trash2 } from "lucide-react";
+import { FormEvent, useState } from "react";
+import { toast } from "sonner";
+
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { cn } from "@/lib/utils";
+import { createTicketTodo, deleteTodo, updateTodo } from "../api";
+import type { TicketTodo, TodoPriority, TodoStatus } from "../types";
+
+const priorityLabels: Record<TodoPriority, string> = {
+  low: "Niedrig",
+  medium: "Normal",
+  high: "Hoch",
+  urgent: "Dringend"
+};
+
+const priorityClasses: Record<TodoPriority, string> = {
+  low: "border-sky-500/30 bg-sky-500/10 text-sky-300",
+  medium: "border-muted-foreground/25 bg-muted/50 text-muted-foreground",
+  high: "border-amber-500/30 bg-amber-500/10 text-amber-300",
+  urgent: "border-red-500/30 bg-red-500/10 text-red-300"
+};
+
+type TodoPanelProps = {
+  ticketId?: string;
+  todos: TicketTodo[];
+  onChanged: () => Promise<void> | void;
+  showCreate?: boolean;
+  showTicketMeta?: boolean;
+  onNavigate?: (to: string) => void;
+};
+
+export function TodoPanel({ ticketId, todos, onChanged, showCreate = true, showTicketMeta = false, onNavigate }: TodoPanelProps) {
+  const [title, setTitle] = useState("");
+  const [description, setDescription] = useState("");
+  const [priority, setPriority] = useState<TodoPriority>("medium");
+  const [saving, setSaving] = useState(false);
+  const [editingId, setEditingId] = useState<string | null>(null);
+  const [editTitle, setEditTitle] = useState("");
+  const [editDescription, setEditDescription] = useState("");
+  const [editPriority, setEditPriority] = useState<TodoPriority>("medium");
+  const [busyId, setBusyId] = useState<string | null>(null);
+
+  async function submitTodo(event: FormEvent) {
+    event.preventDefault();
+
+    if (!ticketId) {
+      return;
+    }
+
+    setSaving(true);
+    try {
+      await createTicketTodo(ticketId, { title, description, priority });
+      setTitle("");
+      setDescription("");
+      setPriority("medium");
+      toast.success("ToDo angelegt");
+      await onChanged();
+    } catch (error) {
+      toast.error("ToDo konnte nicht angelegt werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  function startEdit(todo: TicketTodo) {
+    setEditingId(todo.id);
+    setEditTitle(todo.title);
+    setEditDescription(todo.description);
+    setEditPriority(todo.priority);
+  }
+
+  async function saveTodo(todo: TicketTodo, status: TodoStatus = todo.status) {
+    setBusyId(todo.id);
+    try {
+      await updateTodo(todo.id, {
+        title: editingId === todo.id ? editTitle : todo.title,
+        description: editingId === todo.id ? editDescription : todo.description,
+        priority: editingId === todo.id ? editPriority : todo.priority,
+        status
+      });
+      setEditingId(null);
+      await onChanged();
+    } catch (error) {
+      toast.error("ToDo konnte nicht gespeichert werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setBusyId(null);
+    }
+  }
+
+  async function removeTodo(todo: TicketTodo) {
+    const confirmed = window.confirm(`ToDo "${todo.title}" wirklich löschen?`);
+
+    if (!confirmed) {
+      return;
+    }
+
+    setBusyId(todo.id);
+    try {
+      await deleteTodo(todo.id);
+      toast.success("ToDo gelöscht");
+      await onChanged();
+    } catch (error) {
+      toast.error("ToDo konnte nicht gelöscht werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setBusyId(null);
+    }
+  }
+
+  return (
+    <div className="space-y-3">
+      {showCreate && ticketId ? (
+        <form className="grid gap-3 lg:grid-cols-[minmax(220px,1fr)_160px_auto] lg:items-end" onSubmit={submitTodo}>
+          <div className="space-y-2">
+            <label className="text-sm font-medium" htmlFor={`todo-title-${ticketId}`}>
+              Aufgabe
+            </label>
+            <Input id={`todo-title-${ticketId}`} value={title} onChange={(event) => setTitle(event.currentTarget.value)} required />
+          </div>
+          <div className="space-y-2">
+            <label className="text-sm font-medium" htmlFor={`todo-priority-${ticketId}`}>
+              Priorität
+            </label>
+            <select
+              id={`todo-priority-${ticketId}`}
+              className="h-9 w-full rounded-lg border border-input bg-background px-2 text-sm focus-visible:outline-none focus-visible:ring-3 focus-visible:ring-ring/50"
+              value={priority}
+              onChange={(event) => setPriority(event.currentTarget.value as TodoPriority)}
+            >
+              {Object.entries(priorityLabels).map(([value, label]) => (
+                <option key={value} value={value}>
+                  {label}
+                </option>
+              ))}
+            </select>
+          </div>
+          <Button type="submit" disabled={saving}>
+            <Plus className="size-4" />
+            {saving ? "Speichert..." : "Anlegen"}
+          </Button>
+          <Textarea
+            className="min-h-16 lg:col-span-3"
+            placeholder="Details optional"
+            value={description}
+            onChange={(event) => setDescription(event.currentTarget.value)}
+          />
+        </form>
+      ) : null}
+
+      <div className="space-y-2">
+        {todos.map((todo) => {
+          const isEditing = editingId === todo.id;
+
+          return (
+            <div key={todo.id} className={cn("rounded-md border bg-card/50 p-3", todo.status === "done" && "opacity-70")}>
+              {showTicketMeta ? (
+                <div className="mb-2 flex flex-wrap items-center gap-2 text-xs text-muted-foreground">
+                  <button type="button" className="font-medium text-foreground hover:underline" onClick={() => onNavigate?.(`/tickets/${todo.ticket_id}`)}>
+                    {todo.ticket_number}
+                  </button>
+                  {todo.project_id ? <Badge variant="outline">Projekt</Badge> : null}
+                  {todo.organization_name ? <span>{todo.organization_name}</span> : null}
+                </div>
+              ) : null}
+
+              {isEditing ? (
+                <div className="space-y-2">
+                  <Input value={editTitle} onChange={(event) => setEditTitle(event.currentTarget.value)} />
+                  <Textarea className="min-h-16" value={editDescription} onChange={(event) => setEditDescription(event.currentTarget.value)} />
+                  <div className="flex flex-wrap items-center justify-between gap-2">
+                    <select
+                      className="h-8 rounded-lg border border-input bg-background px-2 text-sm focus-visible:outline-none focus-visible:ring-3 focus-visible:ring-ring/50"
+                      value={editPriority}
+                      onChange={(event) => setEditPriority(event.currentTarget.value as TodoPriority)}
+                    >
+                      {Object.entries(priorityLabels).map(([value, label]) => (
+                        <option key={value} value={value}>
+                          {label}
+                        </option>
+                      ))}
+                    </select>
+                    <div className="flex gap-1">
+                      <Button type="button" size="sm" variant="ghost" onClick={() => setEditingId(null)}>
+                        Abbrechen
+                      </Button>
+                      <Button type="button" size="sm" disabled={busyId === todo.id} onClick={() => void saveTodo(todo)}>
+                        <Save className="size-4" />
+                        Speichern
+                      </Button>
+                    </div>
+                  </div>
+                </div>
+              ) : (
+                <div className="flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
+                  <button
+                    type="button"
+                    className="flex min-w-0 flex-1 items-start gap-2 text-left"
+                    disabled={busyId === todo.id}
+                    onClick={() => void saveTodo(todo, todo.status === "done" ? "open" : "done")}
+                  >
+                    {todo.status === "done" ? <CheckCircle2 className="mt-0.5 size-4 shrink-0 text-emerald-400" /> : <Circle className="mt-0.5 size-4 shrink-0 text-muted-foreground" />}
+                    <span className="min-w-0">
+                      <span className={cn("block break-words text-sm font-medium", todo.status === "done" && "line-through")}>{todo.title}</span>
+                      {todo.description ? <span className="mt-1 block whitespace-pre-wrap break-words text-xs text-muted-foreground">{todo.description}</span> : null}
+                    </span>
+                  </button>
+                  <div className="flex shrink-0 items-center gap-1">
+                    <span className={cn("rounded-full border px-2 py-0.5 text-xs font-medium", priorityClasses[todo.priority])}>{priorityLabels[todo.priority]}</span>
+                    <Button type="button" size="icon" variant="ghost" className="size-8" onClick={() => startEdit(todo)}>
+                      <Pencil className="size-4" />
+                    </Button>
+                    <Button type="button" size="icon" variant="ghost" className="size-8 text-destructive hover:text-destructive" onClick={() => void removeTodo(todo)}>
+                      <Trash2 className="size-4" />
+                    </Button>
+                  </div>
+                </div>
+              )}
+            </div>
+          );
+        })}
+      </div>
+
+      {todos.length === 0 ? <p className="rounded-md border bg-muted/20 p-4 text-center text-sm text-muted-foreground">Keine ToDos vorhanden.</p> : null}
+    </div>
+  );
+}

frontend/src/help-content.ts

@@ -237,6 +237,43 @@ export const helpSections: HelpSection[] = [
       "Die offenen Bewertungen findest du gebündelt im Monatsabschluss."
     ]
   },
+  {
+    id: "projekte",
+    title: "Projekte",
+    description: "Projekte erweitern ein normales Ticket um Consulting-Projektinformationen und bleiben trotzdem über dieselbe Ticketdetailansicht bearbeitbar.",
+    quickItems: [
+      "Projekte werden über eine Ticketnummer angelegt.",
+      "Vorhandene Ticketdaten werden automatisch übernommen.",
+      "Projekt-Sessions sind immer Consulting."
+    ],
+    details: [
+      "Der Navipunkt Projekte ist für Consulting-Arbeiten gedacht, die länger laufen oder ein Stundenkontingent haben.",
+      "Beim Anlegen gibst du die Ticketnummer ein. Existiert das Ticket bereits, übernimmt TicketTracker Organisation und Stammdaten automatisch.",
+      "Existiert das Ticket noch nicht, muss eine Organisation aus der synchronisierten Organisationsliste gewählt werden.",
+      "Ein Projekt-Ticket bleibt ein normales Ticket. Es kann über Suche, Auswertung, geöffnete Tickets und ToDos geöffnet werden.",
+      "Zusätzlich speicherst du Teamspace-Projekt, Beschreibung, Ziele, ungefähren Zeitraum und gesamtes Stundenkontingent.",
+      "Projekt-Tickets sind immer Consulting. Auch wenn Sessions später über den normalen Timer oder das Nachtragen erfasst werden, erkennt TicketTracker das Projekt und übernimmt Consulting.",
+      "Aus einem Projekt heraus kann direkt eine Session gestartet werden. Der Timer verhält sich wie jeder andere Timer und pausiert andere Timer automatisch."
+    ]
+  },
+  {
+    id: "todos",
+    title: "ToDos",
+    description: "ToDos sind kleine Aufgabenlisten pro Ticket oder Projekt, damit offene Arbeit sichtbar bleibt.",
+    quickItems: [
+      "ToDos werden direkt im Ticket angelegt.",
+      "Die zentrale ToDo-Seite sammelt alle offenen Aufgaben.",
+      "Prioritäten helfen beim Sortieren der nächsten Schritte."
+    ],
+    details: [
+      "Jedes Ticket kann ToDos enthalten, egal ob es ein Projekt oder ein normales Einzelticket ist.",
+      "In der Ticketdetailansicht legst du neue Aufgaben mit Titel, optionaler Beschreibung und Priorität an.",
+      "Die Prioritäten Niedrig, Normal, Hoch und Dringend helfen dabei, wichtige Punkte nicht zwischen Sessions zu verlieren.",
+      "ToDos lassen sich als erledigt markieren, wieder öffnen, bearbeiten oder löschen.",
+      "Die zentrale Seite ToDos zeigt Aufgaben aus allen deinen Tickets. Von dort öffnest du direkt das zugehörige Ticket.",
+      "ToDos sind benutzerbezogen. Andere Benutzer sehen ihre eigenen Aufgaben, auch wenn mehrere Benutzer am gleichen Ticket arbeiten."
+    ]
+  },
   {
     id: "sessions-bearbeiten",
     title: "Sessions Bearbeiten und Löschen",

frontend/src/timers.ts

@@ -5,6 +5,8 @@ export type TimerEntry = {
   ticketNumber: string;
   organizationName?: string | null;
   workType?: "support" | "consulting" | null;
+  isProject?: boolean;
+  projectName?: string | null;
   ticketLookupDone?: boolean;
   startedAt: number;
   pausedTotalMs: number;

frontend/src/types.ts

@@ -60,6 +60,9 @@ export type TicketMeta = {
   organization_name: string | null;
   customer_name: string | null;
   work_type: WorkType | null;
+  project_id?: string | null;
+  is_project?: boolean;
+  project_name?: string | null;
 };
 
 export type TicketSearchResult = {
@@ -69,12 +72,56 @@ export type TicketSearchResult = {
   organization_name: string | null;
   customer_name: string | null;
   work_type: WorkType | null;
-  latest_started_at: string;
+  project_id: string | null;
+  is_project: boolean;
+  project_name: string | null;
+  latest_started_at: string | null;
   latest_period: string;
   session_count: number;
   total_minutes: number;
 };
 
+export type ProjectSummary = {
+  id: string;
+  ticket_id: string;
+  ticket_number: string;
+  organization_id: string | null;
+  organization_name: string | null;
+  customer_name: string | null;
+  work_type: WorkType | null;
+  teamspace_project: string | null;
+  description: string;
+  goals: string;
+  starts_on: string | null;
+  ends_on: string | null;
+  hour_budget_minutes: number | null;
+  created_at: string;
+  updated_at: string;
+  session_count?: number;
+  billed_minutes?: number;
+  open_todos?: number;
+  done_todos?: number;
+};
+
+export type TodoPriority = "low" | "medium" | "high" | "urgent";
+export type TodoStatus = "open" | "done";
+
+export type TicketTodo = {
+  id: string;
+  ticket_id: string;
+  ticket_number?: string;
+  organization_name?: string | null;
+  project_id?: string | null;
+  teamspace_project?: string | null;
+  title: string;
+  description: string;
+  priority: TodoPriority;
+  status: TodoStatus;
+  completed_at: string | null;
+  created_at: string;
+  updated_at: string;
+};
+
 export type TicketSummary = {
   id: string;
   ticket_number: string;
@@ -190,6 +237,8 @@ export type TicketPeriod = {
   };
   sessions: SessionEntry[];
   dayBillings: TicketDayBilling[];
+  project?: ProjectSummary | null;
+  todos?: TicketTodo[];
   canClose: boolean;
   openCount: number;
   ticketOpenCount: number;

frontend/src/views/ProjectsPage.tsx

@@ -0,0 +1,532 @@
+import { CalendarDays, FolderKanban, Play, Save, Search, Target } from "lucide-react";
+import { FormEvent, useEffect, useMemo, useState } from "react";
+import { toast } from "sonner";
+
+import { Badge } from "@/components/ui/badge";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
+import { Input } from "@/components/ui/input";
+import { Textarea } from "@/components/ui/textarea";
+import { HelpLink } from "@/components/HelpLink";
+import { OrganizationSelect } from "@/components/OrganizationSelect";
+import { cn } from "@/lib/utils";
+import { createProject, getProjects, lookupTicket, updateProject } from "../api";
+import { currentMonth, formatMinutes } from "../format";
+import { ticketPattern } from "../timers";
+import type { ProjectSummary, TicketMeta } from "../types";
+
+type ProjectsPageProps = {
+  onNavigate: (to: string) => void;
+  onStartTimer: (ticketNumber: string) => Promise<boolean>;
+};
+
+type ProjectForm = {
+  ticketNumber: string;
+  organizationId: string;
+  organizationName: string | null;
+  teamspaceProject: string;
+  description: string;
+  goals: string;
+  startsOn: string;
+  endsOn: string;
+  hourBudget: string;
+};
+
+function emptyProjectForm(): ProjectForm {
+  return {
+    ticketNumber: "",
+    organizationId: "",
+    organizationName: null,
+    teamspaceProject: "",
+    description: "",
+    goals: "",
+    startsOn: "",
+    endsOn: "",
+    hourBudget: ""
+  };
+}
+
+function formatHoursInput(minutes?: number | null) {
+  if (minutes === null || minutes === undefined) {
+    return "";
+  }
+
+  return new Intl.NumberFormat("de-DE", { maximumFractionDigits: 2 }).format(minutes / 60);
+}
+
+function parseHoursInput(value: string) {
+  const trimmed = value.trim();
+
+  if (!trimmed) {
+    return null;
+  }
+
+  const hours = Number(trimmed.replace(",", "."));
+
+  if (!Number.isFinite(hours) || hours < 0) {
+    return undefined;
+  }
+
+  return Math.round(hours * 60);
+}
+
+function formFromProject(project: ProjectSummary): ProjectForm {
+  return {
+    ticketNumber: project.ticket_number,
+    organizationId: project.organization_id ?? "",
+    organizationName: project.organization_name ?? project.customer_name ?? null,
+    teamspaceProject: project.teamspace_project ?? "",
+    description: project.description,
+    goals: project.goals,
+    startsOn: project.starts_on ?? "",
+    endsOn: project.ends_on ?? "",
+    hourBudget: formatHoursInput(project.hour_budget_minutes)
+  };
+}
+
+export function ProjectsPage({ onNavigate, onStartTimer }: ProjectsPageProps) {
+  const [projects, setProjects] = useState<ProjectSummary[]>([]);
+  const [loading, setLoading] = useState(true);
+  const [form, setForm] = useState<ProjectForm>(() => emptyProjectForm());
+  const [lookupStatus, setLookupStatus] = useState<"idle" | "loading" | "found" | "not-found">("idle");
+  const [lookupResult, setLookupResult] = useState<TicketMeta | null>(null);
+  const [saving, setSaving] = useState(false);
+  const [editingProjectId, setEditingProjectId] = useState<string | null>(null);
+  const [editForm, setEditForm] = useState<ProjectForm>(() => emptyProjectForm());
+  const [savingProjectId, setSavingProjectId] = useState<string | null>(null);
+
+  async function load() {
+    setLoading(true);
+    try {
+      const result = await getProjects();
+      setProjects(result.projects);
+    } catch (error) {
+      toast.error("Projekte konnten nicht geladen werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  useEffect(() => {
+    void load();
+  }, []);
+
+  useEffect(() => {
+    const normalizedTicketNumber = form.ticketNumber.trim();
+
+    if (!ticketPattern.test(normalizedTicketNumber)) {
+      setLookupStatus("idle");
+      setLookupResult(null);
+      return;
+    }
+
+    let cancelled = false;
+    setLookupStatus("loading");
+
+    const timeout = window.setTimeout(async () => {
+      try {
+        const result = await lookupTicket(normalizedTicketNumber);
+
+        if (cancelled) {
+          return;
+        }
+
+        setLookupResult(result.ticket);
+        setLookupStatus(result.ticket ? "found" : "not-found");
+
+        if (result.ticket?.organization_id) {
+          setForm((current) =>
+            current.ticketNumber.trim() === normalizedTicketNumber
+              ? {
+                  ...current,
+                  organizationId: result.ticket?.organization_id ?? "",
+                  organizationName: result.ticket?.organization_name ?? result.ticket?.customer_name ?? null
+                }
+              : current
+          );
+        }
+      } catch {
+        if (!cancelled) {
+          setLookupStatus("idle");
+          setLookupResult(null);
+        }
+      }
+    }, 250);
+
+    return () => {
+      cancelled = true;
+      window.clearTimeout(timeout);
+    };
+  }, [form.ticketNumber]);
+
+  const organizationLocked = Boolean(lookupResult?.organization_id);
+  const openTodos = useMemo(() => projects.reduce((sum, project) => sum + Number(project.open_todos ?? 0), 0), [projects]);
+  const billedMinutes = useMemo(() => projects.reduce((sum, project) => sum + Number(project.billed_minutes ?? 0), 0), [projects]);
+
+  async function submitProject(event: FormEvent) {
+    event.preventDefault();
+
+    const ticketNumber = form.ticketNumber.trim();
+
+    if (!ticketPattern.test(ticketNumber)) {
+      toast.error("Ticketnummer prüfen", {
+        description: "Das Format muss Ticket#XXXXXX sein."
+      });
+      return;
+    }
+
+    if (!form.organizationId) {
+      toast.error("Organisation wählen", {
+        description: "Wenn das Ticket noch keine Stammdaten hat, muss die Organisation gesetzt werden."
+      });
+      return;
+    }
+
+    const hourBudgetMinutes = parseHoursInput(form.hourBudget);
+
+    if (hourBudgetMinutes === undefined) {
+      toast.error("Stundenkontingent prüfen", {
+        description: "Bitte Stunden als Zahl eintragen, z.B. 12,5."
+      });
+      return;
+    }
+
+    setSaving(true);
+    try {
+      const result = await createProject({
+        ticketNumber,
+        organizationId: form.organizationId,
+        teamspaceProject: form.teamspaceProject,
+        description: form.description,
+        goals: form.goals,
+        startsOn: form.startsOn || null,
+        endsOn: form.endsOn || null,
+        hourBudgetMinutes
+      });
+      toast.success("Projekt angelegt", {
+        description: `${result.project.ticket_number} ist jetzt als Consulting-Projekt markiert.`
+      });
+      setForm(emptyProjectForm());
+      setLookupResult(null);
+      setLookupStatus("idle");
+      await load();
+    } catch (error) {
+      toast.error("Projekt konnte nicht angelegt werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function saveProject(project: ProjectSummary) {
+    const hourBudgetMinutes = parseHoursInput(editForm.hourBudget);
+
+    if (hourBudgetMinutes === undefined) {
+      toast.error("Stundenkontingent prüfen");
+      return;
+    }
+
+    if (!editForm.organizationId) {
+      toast.error("Organisation wählen");
+      return;
+    }
+
+    setSavingProjectId(project.id);
+    try {
+      await updateProject(project.id, {
+        ticketNumber: editForm.ticketNumber,
+        organizationId: editForm.organizationId,
+        teamspaceProject: editForm.teamspaceProject,
+        description: editForm.description,
+        goals: editForm.goals,
+        startsOn: editForm.startsOn || null,
+        endsOn: editForm.endsOn || null,
+        hourBudgetMinutes
+      });
+      toast.success("Projekt gespeichert");
+      setEditingProjectId(null);
+      await load();
+    } catch (error) {
+      toast.error("Projekt konnte nicht gespeichert werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setSavingProjectId(null);
+    }
+  }
+
+  return (
+    <div className="space-y-4">
+      <div className="flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between">
+        <div>
+          <h2 className="text-xl font-semibold tracking-normal sm:text-2xl">Projekte</h2>
+          <p className="text-sm text-muted-foreground">Consulting-Projekte als Erweiterung bestehender oder neuer Tickets.</p>
+        </div>
+        <div className="grid gap-2 text-sm sm:grid-cols-3">
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Projekte</span>
+            <span className="font-semibold">{projects.length}</span>
+          </div>
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Abgerechnet</span>
+            <span className="font-semibold">{formatMinutes(billedMinutes)}</span>
+          </div>
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Offene ToDos</span>
+            <span className="font-semibold">{openTodos}</span>
+          </div>
+        </div>
+      </div>
+
+      <Card>
+        <CardHeader className="p-4">
+          <div className="flex items-start justify-between gap-3">
+            <div>
+              <CardTitle>Projekt anlegen</CardTitle>
+              <CardDescription>Ticketnummer eingeben. Vorhandene Ticketdaten werden automatisch übernommen.</CardDescription>
+            </div>
+            <HelpLink anchor="projekte" label="Hilfe zu Projekten" />
+          </div>
+        </CardHeader>
+        <CardContent className="px-4 pb-4">
+          <form className="space-y-4" onSubmit={submitProject}>
+            <div className="grid gap-3 lg:grid-cols-[180px_minmax(240px,1fr)_220px]">
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-ticket-number">
+                  Ticket
+                </label>
+                <Input
+                  id="project-ticket-number"
+                  placeholder="Ticket#123456"
+                  value={form.ticketNumber}
+                  onChange={(event) =>
+                    setForm({
+                      ...form,
+                      ticketNumber: event.currentTarget.value,
+                      organizationId: "",
+                      organizationName: null
+                    })
+                  }
+                  required
+                />
+                {form.ticketNumber && !ticketPattern.test(form.ticketNumber.trim()) ? <p className="text-xs text-destructive">Format: Ticket#XXXXXX</p> : null}
+                {lookupStatus === "loading" ? <p className="text-xs text-muted-foreground">Suche Ticket...</p> : null}
+                {lookupStatus === "found" ? <p className="text-xs text-muted-foreground">Ticket gefunden. Organisation wird übernommen.</p> : null}
+                {lookupStatus === "not-found" ? <p className="text-xs text-muted-foreground">Neues Ticket. Organisation bitte wählen.</p> : null}
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium">Organisation</label>
+                <OrganizationSelect
+                  value={form.organizationId}
+                  selectedName={form.organizationName}
+                  disabled={organizationLocked}
+                  onChange={(organization) => setForm({ ...form, organizationId: organization.id, organizationName: organization.name })}
+                  required
+                />
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium">Art</label>
+                <div className="flex h-9 items-center rounded-lg border bg-muted/30 px-3 text-sm">Consulting</div>
+              </div>
+            </div>
+
+            <div className="grid gap-3 lg:grid-cols-[minmax(220px,1fr)_140px_140px_160px]">
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="teamspace-project">
+                  Teamspace-Projekt
+                </label>
+                <Input id="teamspace-project" value={form.teamspaceProject} onChange={(event) => setForm({ ...form, teamspaceProject: event.currentTarget.value })} />
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-starts-on">
+                  Zeitraum von
+                </label>
+                <Input id="project-starts-on" type="date" value={form.startsOn} onChange={(event) => setForm({ ...form, startsOn: event.currentTarget.value })} />
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-ends-on">
+                  Zeitraum bis
+                </label>
+                <Input id="project-ends-on" type="date" value={form.endsOn} onChange={(event) => setForm({ ...form, endsOn: event.currentTarget.value })} />
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-budget">
+                  Kontingent h
+                </label>
+                <Input id="project-budget" inputMode="decimal" value={form.hourBudget} onChange={(event) => setForm({ ...form, hourBudget: event.currentTarget.value })} />
+              </div>
+            </div>
+
+            <div className="grid gap-3 lg:grid-cols-2">
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-description">
+                  Projektbeschreibung
+                </label>
+                <Textarea id="project-description" className="min-h-24" value={form.description} onChange={(event) => setForm({ ...form, description: event.currentTarget.value })} />
+              </div>
+              <div className="space-y-2">
+                <label className="text-sm font-medium" htmlFor="project-goals">
+                  Ziele
+                </label>
+                <Textarea id="project-goals" className="min-h-24" value={form.goals} onChange={(event) => setForm({ ...form, goals: event.currentTarget.value })} />
+              </div>
+            </div>
+
+            <div className="flex justify-end">
+              <Button type="submit" disabled={saving}>
+                <Save className="size-4" />
+                {saving ? "Speichert..." : "Projekt anlegen"}
+              </Button>
+            </div>
+          </form>
+        </CardContent>
+      </Card>
+
+      <div className="grid gap-3 xl:grid-cols-2">
+        {projects.map((project) => {
+          const isEditing = editingProjectId === project.id;
+          const usedPercent =
+            project.hour_budget_minutes && project.hour_budget_minutes > 0
+              ? Math.min(100, Math.round(((project.billed_minutes ?? 0) / project.hour_budget_minutes) * 100))
+              : null;
+
+          return (
+            <Card key={project.id} className="overflow-hidden">
+              <CardHeader className="border-b bg-muted/25 p-4">
+                <div className="flex items-start justify-between gap-3">
+                  <div className="min-w-0">
+                    <div className="flex flex-wrap items-center gap-2">
+                      <CardTitle className="truncate text-base">{project.ticket_number}</CardTitle>
+                      <Badge variant="outline">Projekt</Badge>
+                    </div>
+                    <CardDescription className="truncate">{project.teamspace_project || project.organization_name || "Ohne Teamspace-Projekt"}</CardDescription>
+                  </div>
+                  <div className="flex shrink-0 gap-1">
+                    <Button type="button" size="sm" variant="secondary" onClick={() => void onStartTimer(project.ticket_number)}>
+                      <Play className="size-4" />
+                      Session
+                    </Button>
+                    <Button type="button" size="sm" variant="secondary" onClick={() => onNavigate(`/tickets/${project.ticket_id}?month=${currentMonth()}`)}>
+                      <Search className="size-4" />
+                      Öffnen
+                    </Button>
+                  </div>
+                </div>
+              </CardHeader>
+              <CardContent className="space-y-3 p-4">
+                {isEditing ? (
+                  <div className="space-y-3">
+                    <div className="grid gap-3 md:grid-cols-[160px_minmax(200px,1fr)_160px]">
+                      <Input value={editForm.ticketNumber} onChange={(event) => setEditForm({ ...editForm, ticketNumber: event.currentTarget.value })} />
+                      <OrganizationSelect
+                        value={editForm.organizationId}
+                        selectedName={editForm.organizationName}
+                        onChange={(organization) => setEditForm({ ...editForm, organizationId: organization.id, organizationName: organization.name })}
+                        required
+                      />
+                      <div className="flex h-9 items-center rounded-lg border bg-muted/30 px-3 text-sm">Consulting</div>
+                    </div>
+                    <Input
+                      placeholder="Teamspace-Projekt"
+                      value={editForm.teamspaceProject}
+                      onChange={(event) => setEditForm({ ...editForm, teamspaceProject: event.currentTarget.value })}
+                    />
+                    <div className="grid gap-3 md:grid-cols-3">
+                      <Input type="date" value={editForm.startsOn} onChange={(event) => setEditForm({ ...editForm, startsOn: event.currentTarget.value })} />
+                      <Input type="date" value={editForm.endsOn} onChange={(event) => setEditForm({ ...editForm, endsOn: event.currentTarget.value })} />
+                      <Input inputMode="decimal" placeholder="Kontingent h" value={editForm.hourBudget} onChange={(event) => setEditForm({ ...editForm, hourBudget: event.currentTarget.value })} />
+                    </div>
+                    <Textarea className="min-h-20" value={editForm.description} onChange={(event) => setEditForm({ ...editForm, description: event.currentTarget.value })} />
+                    <Textarea className="min-h-20" value={editForm.goals} onChange={(event) => setEditForm({ ...editForm, goals: event.currentTarget.value })} />
+                    <div className="flex justify-end gap-2">
+                      <Button type="button" variant="ghost" onClick={() => setEditingProjectId(null)}>
+                        Abbrechen
+                      </Button>
+                      <Button type="button" disabled={savingProjectId === project.id} onClick={() => void saveProject(project)}>
+                        <Save className="size-4" />
+                        Speichern
+                      </Button>
+                    </div>
+                  </div>
+                ) : (
+                  <>
+                    <div className="grid gap-2 text-sm sm:grid-cols-3">
+                      <div className="rounded-md border bg-background p-2">
+                        <span className="block text-xs text-muted-foreground">Organisation</span>
+                        <span className="line-clamp-1 font-medium">{project.organization_name ?? project.customer_name ?? "Keine Organisation"}</span>
+                      </div>
+                      <div className="rounded-md border bg-background p-2">
+                        <span className="block text-xs text-muted-foreground">Zeitraum</span>
+                        <span className="font-medium">{project.starts_on || "offen"} - {project.ends_on || "offen"}</span>
+                      </div>
+                      <div className="rounded-md border bg-background p-2">
+                        <span className="block text-xs text-muted-foreground">Kontingent</span>
+                        <span className="font-medium">{project.hour_budget_minutes ? formatMinutes(project.hour_budget_minutes) : "offen"}</span>
+                      </div>
+                    </div>
+
+                    {usedPercent !== null ? (
+                      <div className="space-y-1">
+                        <div className="flex items-center justify-between text-xs text-muted-foreground">
+                          <span>Verbrauch</span>
+                          <span>{usedPercent}% · {formatMinutes(project.billed_minutes ?? 0)}</span>
+                        </div>
+                        <div className="h-2 overflow-hidden rounded-full bg-muted">
+                          <div className={cn("h-full rounded-full", usedPercent >= 90 ? "bg-amber-500" : "bg-emerald-500")} style={{ width: `${usedPercent}%` }} />
+                        </div>
+                      </div>
+                    ) : null}
+
+                    <div className="grid gap-3 text-sm md:grid-cols-2">
+                      <div>
+                        <div className="mb-1 flex items-center gap-2 font-medium">
+                          <FolderKanban className="size-4 text-muted-foreground" />
+                          Beschreibung
+                        </div>
+                        <p className="whitespace-pre-wrap text-muted-foreground">{project.description || "Noch keine Beschreibung."}</p>
+                      </div>
+                      <div>
+                        <div className="mb-1 flex items-center gap-2 font-medium">
+                          <Target className="size-4 text-muted-foreground" />
+                          Ziele
+                        </div>
+                        <p className="whitespace-pre-wrap text-muted-foreground">{project.goals || "Noch keine Ziele."}</p>
+                      </div>
+                    </div>
+
+                    <div className="flex flex-wrap items-center justify-between gap-2 border-t pt-3">
+                      <div className="flex flex-wrap gap-2 text-xs text-muted-foreground">
+                        <Badge variant="secondary">{project.session_count ?? 0} Session(s)</Badge>
+                        <Badge variant={(project.open_todos ?? 0) > 0 ? "warning" : "success"}>{project.open_todos ?? 0} offene ToDos</Badge>
+                        <span className="inline-flex items-center gap-1">
+                          <CalendarDays className="size-3.5" />
+                          aktualisiert {new Date(project.updated_at).toLocaleDateString("de-DE")}
+                        </span>
+                      </div>
+                      <Button
+                        type="button"
+                        size="sm"
+                        variant="ghost"
+                        onClick={() => {
+                          setEditingProjectId(project.id);
+                          setEditForm(formFromProject(project));
+                        }}
+                      >
+                        Bearbeiten
+                      </Button>
+                    </div>
+                  </>
+                )}
+              </CardContent>
+            </Card>
+          );
+        })}
+      </div>
+
+      {!loading && projects.length === 0 ? <p className="rounded-md border bg-muted/20 p-6 text-center text-sm text-muted-foreground">Noch keine Projekte angelegt.</p> : null}
+    </div>
+  );
+}

frontend/src/views/TicketDetailPage.tsx

@@ -1,4 +1,4 @@
-import { ArrowLeft, Pencil, Save, Trash2 } from "lucide-react";
+import { ArrowLeft, ClipboardList, FolderKanban, Pencil, Save, Target, Trash2 } from "lucide-react";
 import { FormEvent, useEffect, useMemo, useState } from "react";
 import { toast } from "sonner";
 import { Alert } from "@/components/ui/alert";
@@ -11,6 +11,7 @@ import { Textarea } from "@/components/ui/textarea";
 import { CopyTicketButton } from "@/components/CopyTicketButton";
 import { HelpLink } from "@/components/HelpLink";
 import { OrganizationSelect } from "@/components/OrganizationSelect";
+import { TodoPanel } from "@/components/TodoPanel";
 import {
   createSession,
   deleteSession,
@@ -231,6 +232,8 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
   }, [data?.ticket]);
 
   const ticket = data?.ticket;
+  const project = data?.project ?? null;
+  const isProject = Boolean(project);
   const isGlobalTicket = periodType === "all";
   const isPeriodClosed = Boolean(data?.closed);
   const periodLabel = periodType === "month" ? "Monat" : periodType === "day" ? "Tag" : "Ticket";
@@ -385,7 +388,7 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
       await updateTicket(ticket.id, {
         ticketNumber: editTicketNumber,
         organizationId: editOrganizationId,
-        workType: editWorkType
+        workType: isProject ? "consulting" : editWorkType
       });
       toast.success("Ticketdaten gespeichert", {
         description: "Organisation und Art wurden auf die vorhandenen Sessions übernommen."
@@ -408,7 +411,7 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
     }
 
     const effectiveOrganizationId = ticket.organization_id ?? ticketSession.organizationId;
-    const effectiveWorkType = ticket.work_type ?? ticketSession.workType;
+    const effectiveWorkType = isProject ? "consulting" : ticket.work_type ?? ticketSession.workType;
 
     if (!effectiveOrganizationId) {
       toast.error("Organisation wählen");
@@ -503,7 +506,7 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
       await updateSessionDetails(editingSession.id, {
         organizationId: editSessionOrganizationId,
         activity: editSessionActivity,
-        workType: editSessionWorkType,
+        workType: isProject ? "consulting" : editSessionWorkType,
         startedAt: startedAt.toISOString(),
         endedAt: endedAt.toISOString()
       });
@@ -670,11 +673,13 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
                 id="edit-ticket-work-type"
                 className="h-8 w-full rounded-lg border border-input bg-background px-2 text-sm focus-visible:outline-none focus-visible:ring-3 focus-visible:ring-ring/50"
                 value={editWorkType}
+                disabled={isProject}
                 onChange={(event) => setEditWorkType(event.currentTarget.value as WorkType)}
               >
                 <option value="support">Support</option>
                 <option value="consulting">Consulting</option>
               </select>
+              {isProject ? <p className="text-xs text-muted-foreground">Projekte sind immer Consulting.</p> : null}
             </div>
             <Button type="submit" disabled={savingTicket}>
               <Save className="size-4" />
@@ -684,6 +689,67 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
         </CardContent>
       </Card>
 
+      {project ? (
+        <Card>
+          <CardHeader className="p-4">
+            <div className="flex items-start justify-between gap-3">
+              <div>
+                <CardTitle className="flex items-center gap-2">
+                  <FolderKanban className="size-5 text-muted-foreground" />
+                  Projekt
+                </CardTitle>
+                <CardDescription>{project.teamspace_project || "Kein Teamspace-Projekt hinterlegt"}</CardDescription>
+              </div>
+              <HelpLink anchor="projekte" label="Hilfe zu Projekten" />
+            </div>
+          </CardHeader>
+          <CardContent className="grid gap-3 px-4 pb-4 lg:grid-cols-[1fr_1fr_220px]">
+            <div className="rounded-md border bg-muted/20 p-3">
+              <div className="mb-1 flex items-center gap-2 text-sm font-medium">
+                <FolderKanban className="size-4 text-muted-foreground" />
+                Beschreibung
+              </div>
+              <p className="whitespace-pre-wrap text-sm text-muted-foreground">{project.description || "Noch keine Beschreibung."}</p>
+            </div>
+            <div className="rounded-md border bg-muted/20 p-3">
+              <div className="mb-1 flex items-center gap-2 text-sm font-medium">
+                <Target className="size-4 text-muted-foreground" />
+                Ziele
+              </div>
+              <p className="whitespace-pre-wrap text-sm text-muted-foreground">{project.goals || "Noch keine Ziele."}</p>
+            </div>
+            <div className="space-y-2 rounded-md border bg-muted/20 p-3 text-sm">
+              <div>
+                <span className="block text-xs text-muted-foreground">Zeitraum</span>
+                <span className="font-medium">{project.starts_on || "offen"} - {project.ends_on || "offen"}</span>
+              </div>
+              <div>
+                <span className="block text-xs text-muted-foreground">Kontingent</span>
+                <span className="font-medium">{project.hour_budget_minutes ? formatMinutes(project.hour_budget_minutes) : "offen"}</span>
+              </div>
+            </div>
+          </CardContent>
+        </Card>
+      ) : null}
+
+      <Card>
+        <CardHeader className="p-4">
+          <div className="flex items-start justify-between gap-3">
+            <div>
+              <CardTitle className="flex items-center gap-2">
+                <ClipboardList className="size-5 text-muted-foreground" />
+                ToDos
+              </CardTitle>
+              <CardDescription>Aufgaben zu diesem Ticket oder Projekt verwalten.</CardDescription>
+            </div>
+            <HelpLink anchor="todos" label="Hilfe zu ToDos" />
+          </div>
+        </CardHeader>
+        <CardContent className="px-4 pb-4">
+          <TodoPanel ticketId={ticket?.id} todos={data?.todos ?? []} onChanged={load} />
+        </CardContent>
+      </Card>
+
       <Card>
         <CardHeader className="gap-3 p-4 sm:flex-row sm:items-start sm:justify-between sm:space-y-0">
           <div>
@@ -994,12 +1060,13 @@ export function TicketDetailPage({ periodType, period, ticketId, onNavigate, onO
                 id="session-work-type"
                 className="h-8 w-full rounded-lg border border-input bg-background px-2 text-sm focus-visible:outline-none focus-visible:ring-3 focus-visible:ring-ring/50"
                 value={editSessionWorkType}
-                disabled={Boolean(editingSession?.recurring_billing_id)}
+                disabled={Boolean(editingSession?.recurring_billing_id) || isProject}
                 onChange={(event) => setEditSessionWorkType(event.currentTarget.value as WorkType)}
               >
                 <option value="support">Support</option>
                 <option value="consulting">Consulting</option>
               </select>
+              {isProject ? <p className="text-xs text-muted-foreground">Projekt-Sessions bleiben Consulting.</p> : null}
             </div>
             <div className="flex justify-end">
               <Button type="submit" disabled={savingSessionDetails}>

frontend/src/views/TimerPage.tsx

@@ -104,7 +104,7 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
 
     const timeout = window.setTimeout(async () => {
       try {
-        const result = await lookupTicket(normalizedTicketNumber);
+      const result = await lookupTicket(normalizedTicketNumber);
 
         if (cancelled) {
           return;
@@ -163,6 +163,8 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
       ticketNumber,
       organizationName: ticketResult.ticket?.organization_name ?? ticketResult.ticket?.customer_name ?? null,
       workType: ticketResult.ticket?.work_type ?? null,
+      isProject: Boolean(ticketResult.ticket?.is_project),
+      projectName: ticketResult.ticket?.project_name ?? null,
       ticketLookupDone: true,
       startedAt: now,
       pausedTotalMs: 0,
@@ -333,7 +335,7 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
         durationSeconds
       });
       toast.success("Session nachgetragen", {
-        description: "Der Eintrag ist in deiner Auswertung offen."
+        description: manualLookupTicket?.is_project ? "Der Eintrag wurde dem Projekt zugeordnet." : "Der Eintrag ist in deiner Auswertung offen."
       });
       setManualSession({
         ...emptyManualSession(),
@@ -405,7 +407,7 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
                 <CardDescription>
                   {selectedTimer
                     ? selectedTimer.organizationName
-                      ? `${selectedTimer.organizationName}${selectedTimer.workType ? ` · ${selectedTimer.workType === "support" ? "Support" : "Consulting"}` : ""}`
+                      ? `${selectedTimer.isProject ? "Projekt · " : ""}${selectedTimer.projectName || selectedTimer.organizationName}${selectedTimer.workType ? ` · ${selectedTimer.workType === "support" ? "Support" : "Consulting"}` : ""}`
                       : "Beim Umschalten wird dieser Timer aktiviert und alle anderen werden pausiert."
                     : "Starte einen Timer, um eine Session zu erfassen."}
                 </CardDescription>
@@ -479,7 +481,9 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
                   {manualSession.ticketNumber.length > 0 && !isManualTicketValid ? <p className="text-xs text-destructive">Format: Ticket#XXXXXX</p> : null}
                   {manualLookupStatus === "loading" ? <p className="text-xs text-muted-foreground">Prüfe vorhandenes Ticket...</p> : null}
                   {manualLookupStatus === "found" && manualTicketDefaultsLocked ? (
-                    <p className="text-xs text-muted-foreground">Ticket gefunden. Organisation und Art wurden übernommen.</p>
+                    <p className="text-xs text-muted-foreground">
+                      {manualLookupTicket?.is_project ? "Projekt gefunden. Organisation und Consulting wurden übernommen." : "Ticket gefunden. Organisation und Art wurden übernommen."}
+                    </p>
                   ) : null}
                   {manualLookupStatus === "found" && !manualTicketDefaultsLocked ? (
                     <p className="text-xs text-muted-foreground">Ticket gefunden, aber Stammdaten sind unvollständig. Bitte ergänzen.</p>
@@ -582,7 +586,9 @@ export function TimerPage({ timers, setTimers, selectedTimerId, setSelectedTimer
             {finished?.ticket?.organization_id && finished.ticket.work_type ? (
               <div className="rounded-lg border bg-muted/40 p-3 text-sm">
                 <p className="font-medium">{finished.ticket.organization_name ?? finished.ticket.customer_name}</p>
-                <p className="text-muted-foreground">{finished.ticket.work_type === "support" ? "Support" : "Consulting"} wurde vom bestehenden Ticket übernommen.</p>
+                <p className="text-muted-foreground">
+                  {finished.ticket.is_project ? "Projekt erkannt. Consulting" : finished.ticket.work_type === "support" ? "Support" : "Consulting"} wurde vom bestehenden Ticket übernommen.
+                </p>
               </div>
             ) : (
               <div className="space-y-2">

frontend/src/views/TodosPage.tsx

@@ -0,0 +1,102 @@
+import { ClipboardList } from "lucide-react";
+import { useEffect, useMemo, useState } from "react";
+import { toast } from "sonner";
+
+import { Card, CardContent, CardDescription, CardHeader, CardTitle } from "@/components/ui/card";
+import { HelpLink } from "@/components/HelpLink";
+import { TodoPanel } from "@/components/TodoPanel";
+import { getTodos } from "../api";
+import type { TicketTodo, TodoStatus } from "../types";
+
+type TodosPageProps = {
+  onNavigate: (to: string) => void;
+};
+
+export function TodosPage({ onNavigate }: TodosPageProps) {
+  const [todos, setTodos] = useState<TicketTodo[]>([]);
+  const [status, setStatus] = useState<TodoStatus | "all">("open");
+  const [loading, setLoading] = useState(true);
+
+  async function load() {
+    setLoading(true);
+    try {
+      const result = await getTodos(status);
+      setTodos(result.todos);
+    } catch (error) {
+      toast.error("ToDos konnten nicht geladen werden", {
+        description: error instanceof Error ? error.message : "Unbekannter Fehler"
+      });
+    } finally {
+      setLoading(false);
+    }
+  }
+
+  useEffect(() => {
+    void load();
+  }, [status]);
+
+  const counts = useMemo(
+    () => ({
+      open: todos.filter((todo) => todo.status === "open").length,
+      done: todos.filter((todo) => todo.status === "done").length,
+      urgent: todos.filter((todo) => todo.status === "open" && todo.priority === "urgent").length
+    }),
+    [todos]
+  );
+
+  return (
+    <div className="space-y-4">
+      <div className="flex flex-col gap-3 lg:flex-row lg:items-end lg:justify-between">
+        <div>
+          <h2 className="text-xl font-semibold tracking-normal sm:text-2xl">ToDos</h2>
+          <p className="text-sm text-muted-foreground">Offene Aufgaben aus Projekten und normalen Tickets an einem Ort.</p>
+        </div>
+        <div className="grid gap-2 text-sm sm:grid-cols-3">
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Offen</span>
+            <span className="font-semibold">{counts.open}</span>
+          </div>
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Dringend</span>
+            <span className="font-semibold">{counts.urgent}</span>
+          </div>
+          <div className="rounded-md border bg-muted/20 px-3 py-2">
+            <span className="block text-muted-foreground">Erledigt</span>
+            <span className="font-semibold">{counts.done}</span>
+          </div>
+        </div>
+      </div>
+
+      <Card>
+        <CardHeader className="p-4">
+          <div className="flex items-start justify-between gap-3">
+            <div>
+              <CardTitle className="flex items-center gap-2">
+                <ClipboardList className="size-5 text-muted-foreground" />
+                Aufgabenliste
+              </CardTitle>
+              <CardDescription>ToDos werden im jeweiligen Ticket angelegt und hier gesammelt angezeigt.</CardDescription>
+            </div>
+            <HelpLink anchor="todos" label="Hilfe zu ToDos" />
+          </div>
+          <div className="flex flex-wrap gap-2 pt-2">
+            {(["open", "all", "done"] as const).map((value) => (
+              <button
+                key={value}
+                type="button"
+                className={`rounded-md border px-3 py-1.5 text-sm ${status === value ? "bg-primary text-primary-foreground" : "bg-background hover:bg-muted"}`}
+                onClick={() => setStatus(value)}
+              >
+                {value === "open" ? "Offen" : value === "done" ? "Erledigt" : "Alle"}
+              </button>
+            ))}
+          </div>
+        </CardHeader>
+        <CardContent className="px-4 pb-4">
+          <TodoPanel todos={todos} showCreate={false} showTicketMeta onNavigate={onNavigate} onChanged={load} />
+          {!loading && todos.length === 0 ? null : null}
+        </CardContent>
+      </Card>
+    </div>
+  );
+}