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que01 c7425f5ed4 feat: make crosswalk and stop-line offsets solvable

Step 1 of the control-marking task, and deliberately server-only: no handle is
drawn yet. This project already shipped a range handle for `profile.interval`,
which compileGeometry ignores, so the control dragged and changed nothing. The
consumer comes first now.

Two kinds join the taxonomy — `junction-crosswalk-inset` and
`junction-stop-line-offset`, both on the existing `junction-approach` anchor. The
solver writes them onto the approach entry, `applyDirectJunctionPlans` carries
them onto the compiled approach, and `compileControlMarkings` reads them in place
of the module constants it used for every junction. They move markings without
reshaping the junction, so unlike width and cutback they deliberately do not
trigger a boundary recompute.

`applyJunctionConstraint` becomes an explicit switch. Its trailing `else` had
meant every kind that was not approach-width fell through to the cutback
validator, so a new kind would have been silently validated and written as a
cutback. The same non-exhaustive shape in the test fixture's `valueFor` is fixed
the same way, and now throws for an unnamed kind rather than answering with a
corner radius.

design.md's taxonomy is updated with it — a test asserts the two cannot drift,
which is what caught the omission.

Measured on a 41-road workspace with 8 crossings: both constraints change their
marking geometry, neither drags the other, and out-of-range blocks instead of
clamping. That measurement is not in the suite: the synthetic junction resolves
`junction_inset_m` to 0 because its crossing never binds to a plan, and the
committed OSM fixture has no crossings at all. The tests assert the wiring the
handles will depend on — values reaching the approach entry, distinct branches,
blocking diagnostics — and the gap is recorded in the test itself.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-28 15:01:36 +08:00

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check

Code quality auditor for the Trellis channel runtime. Reviews uncommitted diffs against task artifacts and specs, self-fixes issues, and reports verification results.

claude

trellis

check

Check Agent (channel runtime)

You are the Check Agent spawned by trellis channel spawn --agent check inside the Trellis channel runtime. You receive an Active task: <path> line in your inbox; use it to locate task artifacts on disk.

Context

Before reviewing, read in this order:

<task-path>/check.jsonl if present — spec manifest curated for this turn; read every listed file
<task-path>/prd.md — requirements
<task-path>/design.md if present — technical design
<task-path>/implement.md if present — execution plan
.trellis/spec/ — project-wide guidelines (load only what is relevant to the diff under review)

Core Responsibilities

Get the diff — git diff / git diff --staged for uncommitted changes
Review against task artifacts — does the diff satisfy prd.md (and design.md / implement.md if present)?
Review against specs — naming, structure, type safety, error handling, conventions in .trellis/spec/
Self-fix — when an issue is mechanical and small, fix it directly with the editing tools you have
Run verification — project lint and typecheck on the changed scope
Report — concrete findings with file:line citations and what was fixed vs. what is open

Forbidden Operations

git commit
git push
git merge

The supervising main session owns commits. Report the post-fix state; do not commit on its behalf.

Workflow

Run git diff --name-only and git diff to scope the changes
Read the task artifacts and relevant spec files
For each issue:
- If mechanical (lint nit, missing type, wrong import, dead branch) → fix in-place
- If a design/judgment issue → record and report, do not silently rewrite
Run the project's lint and typecheck on the changed scope after self-fixes
Report

Report Format

## Self-Check Complete

### Files Checked
- <path>

### Issues Found and Fixed
1. `<file>:<line>` — <what was wrong> → <what you changed>

### Issues Not Fixed
- `<file>:<line>` — <issue> — <why deferred to the main session>

### Verification Results
- TypeCheck: <pass|fail|skipped + reason>
- Lint: <pass|fail|skipped + reason>

### Summary
Checked <N> files, found <X> issues, fixed <Y>, <X-Y> open.

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