chore: drop the asset-hotlinking ADR and trim AGENTS.md

AGENTS.md

@@ -50,9 +50,7 @@ meanwhile. That lag is self-healing — note it, never block the listing on it.
 
 ## Brand surfaces
 
-A repo's brand assets are generated here, in `brand/projects/<repo>/`. Which of them a
-repo hotlinks and which it vendors is settled in
-[`docs/adr/0003-docs-vendor-assets-readmes-hotlink.md`](docs/adr/0003-docs-vendor-assets-readmes-hotlink.md).
+A repo's brand assets are generated here, in `brand/projects/<repo>/`.
 
 A docs site's `docs/index.md` replaces its `# <Title>` heading with a `.mp-hero` block
 holding both lockup variants. Add no `title:` front matter there: Material titles the
@@ -102,10 +100,7 @@ comment, or `mkdocs.yml` costs every turn and rots in two places at once.
 
 An invariant is a test whose name is the claim, with a docstring opening `INVARIANT:`
 and a second paragraph naming **what breaks it** — design rationale, not a report of
-what this one test catches. Nothing enforces that shape, and nothing checks that an ADR
-path cited from code or from this file still resolves; both are read at review time.
-Both ADRs and `INVARIANT:` docstrings ratchet: nothing prunes a record once its call is
-settled. Keeping them lean is a standing habit.
+what this one test catches.
 
 ## Agent skills
 

brand/README.md

@@ -63,8 +63,7 @@ Repos with a docs site also get a `social-card.svg` + `social-card.png`
 (1280×640 og:image): the repo mark on a green panel beside its name, tagline,
 and docs URL on cream. The docs-site repos are listed in
 `brand/build/projects.py::DOCS_REPOS`. These repos also use the lockup as a
-centered hero on their `docs/index.md`, vendored into the repo's `docs/assets/`
-(see `docs/adr/0003-docs-vendor-assets-readmes-hotlink.md`).
+centered hero on their `docs/index.md`, vendored into the repo's `docs/assets/`.
 
 PNGs are palette-quantized at build time (`brand/build/raster.py`, Pillow
 FASTOCTREE) — indexed-colour, with no visible change (the art is flat-colour).

brand/build/symbols.py

@@ -532,7 +532,7 @@ def flask_horn(cx: float, cy: float, r: float) -> str:
     recoloured gold. The bands are negative space in the source artwork.
 
     Uses Flask's literal logo path under a grant Pallets has since withdrawn; see
-    docs/adr/0004-flask-horn-historical-artwork-grant.md."""
+    docs/adr/0003-flask-horn-historical-artwork-grant.md."""
     sc = (2.04 * r) / 500.0
     body = "".join(f'<path d="{d}" fill="{GOLD}"/>' for d in FLASK_PATHS)
     return (