Sync ctx 5171262

GitHub commit: 51712623108b1bb81db0a985600ef58069a3d21d

CHANGELOG.md

@@ -18,6 +18,8 @@ Format loosely follows [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
   suite.
 - Added `ruff format --check` to local preflight and main static CI gates for
   `src`, `hooks`, and `scripts`.
+- Made `scripts/no_mistakes_run.sh fast` write local-fast lane timing evidence
+  to `.gate/local-fast.json` by default.
 - Made canonical Hugging Face sync fail when `HF_TOKEN` is missing while forks
   still skip safely without publishing.
 - Made `ctx-mcp-add` stream JSONL inputs, extended Hugging Face card-only sync

CONTRIBUTING.md

@@ -34,7 +34,8 @@ scripts/no_mistakes_run.sh fast
 
 This selects the same PR checks as CI, groups independent work into lanes, and
 runs those lanes in isolated temporary git worktrees so local CPU, graph, docs,
-package, and test checks can run in parallel. It is the fast front door; the
+package, and test checks can run in parallel. It writes lane timing evidence to
+`.gate/local-fast.json` by default. It is the fast front door; the
 serial preflight/no-mistakes gate remains the authoritative final check:
 
 ```bash

README.md

@@ -162,11 +162,13 @@ scripts/no_mistakes_run.sh fast
 
 That runner selects the same checks as PR preflight, groups independent checks
 into isolated temporary worktree lanes, and runs them in parallel. Treat it as
-the fast front door; use lane filters for quick reruns after a failed lane:
+the fast front door. It writes lane timing evidence to `.gate/local-fast.json`
+by default; use lane filters for quick reruns after a failed lane:
 
 ```bash
-scripts/no_mistakes_run.sh fast --lane static --lane unit --summary-json .gate/local-fast.json
+scripts/no_mistakes_run.sh fast --lane static --lane unit
 scripts/no_mistakes_run.sh fast --skip-lane graph
+scripts/no_mistakes_run.sh fast --summary-json /tmp/local-fast.json
 ```
 
 The serial preflight/no-mistakes path remains the authoritative final local gate:

docs/index.md

@@ -55,8 +55,9 @@ with persistent memory that gets smarter every session.
     `scripts/no_mistakes_run.sh fast` is the fast front door: it selects the
     same PR checks, splits independent work into isolated temporary worktree
     lanes, and runs them in parallel against committed branch history. The
-    lane filters support fast reruns such as
-    `scripts/no_mistakes_run.sh fast --lane static --lane unit --summary-json .gate/local-fast.json`.
+    wrapper writes lane timing evidence to `.gate/local-fast.json` by default,
+    and lane filters support fast reruns such as
+    `scripts/no_mistakes_run.sh fast --lane static --lane unit`.
     The serial preflight/no-mistakes path remains the authoritative final local
     gate. Preflight uses the same changed-file classifier as GitHub Actions and
     runs the matching local gates before you open a PR: stats, ruff