fix(api): add getThought endpoint and frontend api method to resolve docker tsc build error

frontend/src/lib/api.ts

@@ -309,6 +309,10 @@ export const api = {
     return ensureArray(res);
   },
 
+  async getThought(thoughtId: string): Promise<Thought> {
+    return request<Thought>(`/api/v1/thoughts/${encodeURIComponent(thoughtId)}`);
+  },
+
   async triageAction(
     thoughtId: string,
     action: 'keep' | 'discard' | 'restore',

internal/api/server.go

@@ -88,6 +88,7 @@ func (s *Server) Router() http.Handler {
 		// Instant Capture & Thoughts
 		r.Post("/api/v1/inbox", s.handleCaptureInbox)
 		r.Get("/api/v1/thoughts", s.handleGetThoughts)
+		r.Get("/api/v1/thoughts/{id}", s.handleGetThought)
 		r.Patch("/api/v1/thoughts/{id}", s.handleUpdateThought)
 		r.Delete("/api/v1/thoughts/{id}", s.handleDeleteThought)
 		r.Delete("/api/v1/thoughts/discarded/purge", s.handlePurgeDiscarded)
@@ -702,6 +703,17 @@ func (s *Server) handleGetThoughts(w http.ResponseWriter, r *http.Request) {
 	writeJSON(w, http.StatusOK, thoughts)
 }
 
+func (s *Server) handleGetThought(w http.ResponseWriter, r *http.Request) {
+	userID := auth.GetUserID(r.Context())
+	thoughtID := chi.URLParam(r, "id")
+	thought, err := s.store.GetThoughtByID(userID, thoughtID)
+	if err != nil || thought == nil {
+		writeError(w, http.StatusNotFound, "Aufgabe nicht gefunden")
+		return
+	}
+	writeJSON(w, http.StatusOK, thought)
+}
+
 func (s *Server) handleGetTriageDeck(w http.ResponseWriter, r *http.Request) {
 	userID := auth.GetUserID(r.Context())
 	thoughts, err := s.store.GetThoughts(userID, "inbox", 100)