feat: implement Story 3.1 — chat panel UI with streaming AI responses

Add AI copilot chat panel to the diagram editor with streaming responses,
chat history persistence, and markdown rendering. Includes copilot API route,
diagram-aware system prompt, and schema with 15 passing tests.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
Alejandro Gutiérrez
2026-02-28 10:03:43 +00:00
parent 9d13d0f562
commit 26215d9060
20 changed files with 3223 additions and 37 deletions

View File

@@ -0,0 +1,2 @@
ALTER TABLE "chat"."chat" ADD COLUMN "diagram_id" text;--> statement-breakpoint
CREATE INDEX "chat_diagram_id_idx" ON "chat"."chat" USING btree ("diagram_id");