Remove references to untracked local plans/ and todos/ directories

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_012U7coQfVu8nK2R4q2mCULA

datasette/app.py

@@ -2890,8 +2890,7 @@ class Datasette:
         ``_suppress_background_tasks`` is set (the ``--get`` CLI path: its
         one-shot TestClient request flows through the full ASGI stack,
         including the first-request fallback, but must never launch
-        long-lived background work per decision #3 in
-        ``plans/first-request/04-core-plan.md``).
+        long-lived background work).
         """
         if self._suppress_background_tasks:
             return

datasette/background_tasks.py

@@ -22,9 +22,6 @@ consumer, a scheduled job runner) register it with
 - **cancellation**: :meth:`BackgroundTaskSupervisor.cancel_all` cancels
   every task still running and waits (with a grace period) for them to
   actually stop.
-
-See ``plans/first-request/04-core-plan.md`` (decisions #2-#5) for the
-design rationale.
 """
 
 from __future__ import annotations

datasette/cli.py

@@ -678,8 +678,7 @@ def serve(
         except StartupError as e:
             raise click.ClickException(e.args[0])
 
-        # --get never launches background tasks (decision #3 in
-        # plans/first-request/04-core-plan.md): TestClient's request below
+        # --get never launches background tasks: TestClient's request below
         # flows through the full ASGI stack, including the
         # AsgiRunOnFirstRequest fallback, which would otherwise launch them.
         ds._suppress_background_tasks = True

tests/test_background_tasks.py

@@ -1,8 +1,7 @@
 """
 Tests for datasette.add_background_task() / start_background_tasks() and the
 BackgroundTask / BackgroundTaskSupervisor machinery in
-datasette/background_tasks.py, per plans/first-request/04-core-plan.md
-(decisions #2-#5) and todos/first-request/03-background-tasks-api.md.
+datasette/background_tasks.py.
 """
 
 import asyncio

tests/test_cli_serve_get.py

@@ -53,8 +53,8 @@ def test_serve_with_get(tmp_path_factory):
 
 
 def test_serve_with_get_does_not_launch_background_tasks(tmp_path_factory):
-    # Per decision #3 in plans/first-request/04-core-plan.md, --get must
-    # never launch background tasks, even though its TestClient request
+    # --get must never launch background tasks, even though its TestClient
+    # request
     # flows through the full ASGI stack (including the AsgiRunOnFirstRequest
     # fallback that would otherwise launch them). The plugin's startup hook
     # itself still runs (registration happens) - only the launch is