docs(evidence): close the two post-#105 duplicate fix-PR cluster residuals

.lane/reports/chore-duplicate-pr-clusters-residual-closeout-2026-08-14.md

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+# Lane report: duplicate open-PR clusters residual closeout (2026-08-14)
+
+Lane: tinystudio-io lane 1
+Branch: `chore/duplicate-pr-clusters-residual-closeout-2026-08-14`
+Item: f3c90474c1 — "Reconcile the two residual duplicate fix-PR clusters after #105 — brief-requested clean links"
+
+## Outcome
+
+**Closed.** The two residual post-#105 duplicate fix-PR clusters are fully
+reconciled to terminal state. Cluster 1 (brief-requested clean links) had
+its surviving delivery path #145 merged to main as `f9214c1`
+(2026-08-14T09:42:02Z); the fix and its regression guard now live on
+`origin/main` (`5eefa80`). Cluster 2 (rel=icon favicon) was delivered via
+#85 (`9302611`) and #113 (`18128e8`). Verified on this run: no open PR
+carries either fix, main carries both, `npm run check` and `npm test` green
+on a fresh main tree, and the live site serves the clean anchors with no
+`.html` hrefs. No code change was needed — opening a duplicate would have
+recreated the cluster the fleet reconciled. This lane records the
+authoritative closeout receipt.
+
+## Verification performed
+
+1. **GitHub state**: #145, #85, #113 MERGED; #60, #97, #47 CLOSED with
+   survivor-naming comments (confirmed via `gh pr list --state all`).
+2. **Open-PR scan** (19 open PRs): no open PR touches the clean-links
+   anchors or the five-page favicon links. #112/#114/#154 touch
+   `brief-requested.html`/`check-site.mjs` for different fixes (footer
+   brand, pricing callout, intake labels).
+3. **Main tree** (fresh `5eefa80`): clean anchors + guard entry present;
+   exactly one `rel=icon` on all five public pages.
+4. **`npm run check`** on fresh main tree → "TinyStudio.io checks passed."
+5. **`npm test`** on fresh main tree → exit 0, all suites green; only the
+   pre-existing out-of-scope `/` @ 240px overflow note (does not gate).
+6. **Live probes**: `/brief-requested` 200 with zero `.html` hrefs; the
+   `.html` twins still 307 to their clean forms (worker shim unchanged).
+
+## Files changed
+
+- `docs/evidence/duplicate-open-pr-clusters-residual-closeout-2026-08-14.md`
+  — new evidence receipt recording the final closeout of both residual
+  clusters (the lane's claimed file).
+
+## Delivery
+
+- Branch: `chore/duplicate-pr-clusters-residual-closeout-2026-08-14`
+- PR: **#196** opened against origin/main carrying the evidence closeout
+  (commit `32e7d11`, 2026-08-14).

docs/evidence/duplicate-open-pr-clusters-residual-closeout-2026-08-14.md

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+# Duplicate open-PR clusters residual — closeout of the two post-#105 clusters (2026-08-14)
+
+Date: 2026-08-14
+Scope: final closeout of the two residual duplicate fix-PR clusters left after
+the first reconciliation (PR #105,
+`docs/evidence/duplicate-open-pr-clusters-2026-08-11.md`) and its follow-up
+receipts (`docs/evidence/duplicate-open-pr-clusters-residual-2026-08-11.md`
+and `-reverify-2026-08-12.md`): verify against current GitHub state that
+exactly one delivery path resolved per surface, that no open PR still carries
+either fix, and that both fixes have landed on current `origin/main`. This
+receipt records a state verification of the repository's pull requests plus
+the live site; it is process evidence, not itself a code change.
+
+## The two residual clusters (final state, GitHub 2026-08-14)
+
+### Cluster 1 — brief-requested clean nav/back links
+
+| PR | head branch | created | closed / merged | final state | carries |
+|---|---|---|---|---|---|
+| #60 | `fix/brief-requested-clean-nav-links` | 2026-08-09T21:32Z | CLOSED 2026-08-11T08:10:08Z | closed | the fix, original stale-base branch |
+| #97 | `fix/brief-requested-clean-links` | 2026-08-11T01:17Z | CLOSED 2026-08-12T01:24:26Z | closed | the fix + guard-coverage receipt |
+| #145 | `fix/brief-requested-clean-links-lane1` | 2026-08-12T01:24:19Z | MERGED 2026-08-14T09:42:02Z | merged (`f9214c1`) | the two-file fix |
+
+#60 and #97 were closed as stale duplicates (each with a comment naming the
+surviving delivery path); the 2026-08-12 receipt declared "#145 must be merged
+for the surface to be closed". **#145 merged to main as `f9214c1`**
+(2026-08-14T09:42:02Z), and `origin/main` today serves the clean anchors and
+the internal-links guard entry (verified on `5eefa80` below). **No open PR
+carries this fix.**
+
+### Cluster 2 — rel=icon favicon on the five public pages
+
+| PR | head branch | created | closed / merged | final state | carries |
+|---|---|---|---|---|---|
+| #47 | `fix/serve-rel-icon-favicon` | 2026-08-09T14:46Z | CLOSED 2026-08-11T08:10:09Z | closed | the fix, conflict-locked original |
+| #85 | `fix/rel-icon-favicon-lane1` | 2026-08-10T21:31Z | MERGED 2026-08-11T13:43:26Z | merged (`9302611`) | the fix |
+| #113 | `fix/serve-rel-icon-brief-requested` | 2026-08-11T16:14:59Z | MERGED 2026-08-11T18:34:32Z | merged (`18128e8`) | brief-requested icon + guard extension |
+
+#47 was closed as the conflict-locked stale duplicate; #85 merged the
+identical five-page `<link rel="icon" href="/favicon.svg">` fix to main
+(`9302611`), and the follow-up #113 extended the icon and the favicon guard
+to `/brief-requested` (`18128e8`). **No open PR carries this fix** — the
+correct terminal state.
+
+## No other carriers (open-PR scan, 2026-08-14)
+
+Every open PR's changed-files set was scanned (19 open PRs; #67 and #45
+return no file list — their heads are closed/merged states). The only open
+PRs touching `public/brief-requested.html` are #112 (footer brand),
+#114/#194 (pricing closing callout) and #154 (intake labels) — each a
+different fix; #112's `brief-requested.html` diff is the footer line only.
+No open PR touches the logo/nav/back anchors of the clean-links fix or the
+five-page favicon links.
+
+## Verification performed (2026-08-14, against `origin/main` `5eefa80`)
+
+1. **GitHub state**: #145 MERGED (`f9214c1`); #60, #97, #47 CLOSED with
+   survivor-naming comments; #85, #113 MERGED (`9302611`, `18128e8`). No open
+   PR carries either fix.
+2. **Main tree (cluster 1)**: `public/brief-requested.html` links the logo,
+   three nav links and back link at the clean extensionless twins
+   (`/`, `/audit`, `/agents`, `/pricing`); the internal-links guard in
+   `scripts/check-site.mjs` covers the `brief-requested` page.
+3. **Main tree (cluster 2)**: exactly one `<link rel="icon" href="/favicon.svg">`
+   on all five public pages (`index`, `pricing`, `audit`, `agents`,
+   `specimen`).
+4. **`npm run check`** on a fresh `5eefa80` tree → "TinyStudio.io checks
+   passed."
+5. **`npm test`** on a fresh `5eefa80` tree → exit 0, all suites green
+   (headings, sitemap, worker, UI, contract, viewport); only the pre-existing
+   out-of-scope `/` @ 240px overflow note, which does not gate exit code.
+6. **Live probes** (2026-08-14): `https://tinystudio.io/brief-requested`
+   serves 200 with **no** `.html` hrefs; the `.html` twins still 307 to their
+   clean forms (`/index.html` → `/`, `/audit.html` → `/audit`, `/agents.html`
+   → `/agents`, `/pricing.html` → `/pricing`, `/specimen.html` → `/specimen`)
+   — the worker 307 shim is unchanged and harmless, since no served page links
+   the `.html` forms anymore.
+
+## Resulting state
+
+**The item is closed.** Both residual post-#105 clusters are reconciled to
+their terminal states:
+
+- Cluster 1 (brief-requested clean links): sole surviving path #145 merged to
+  main (`f9214c1`); fix landed, guard landed, no open delivery path remains.
+- Cluster 2 (favicon): fix delivered via #85 and #113 (`9302611`, `18128e8`);
+  no open delivery path remains — the correct terminal state.
+
+Combined with PR #105's four clusters and the 2026-08-11/08-12 residual runs,
+every duplicate open fix-PR pair in the repository is reconciled to one
+superior delivery path (or delivered). This receipt closes the residual
+reconciliation item `f3c90474c1`.
+
+## Reproduce
+
+- `gh pr list --repo nish3451/TinyStudio.io --state all` → #145, #85, #113
+  MERGED; #60, #97, #47 CLOSED.
+- `for n in $(gh pr list --repo nish3451/TinyStudio.io --state open ...); do
+  gh pr view $n --json files --jq '.files[].path'; done` → no open PR touches
+  the clean-links anchors or the five-page favicon links.
+- `git show origin/main:public/brief-requested.html | grep href=` → clean
+  anchors only; `grep -c 'rel="icon"' public/{index,pricing,audit,agents,specimen}.html`
+  → 1 each.
+- `npm run check` and `npm test` on a fresh `origin/main` tree → green.
+- `curl -s https://tinystudio.io/brief-requested | grep -o 'href="[^"]*\.html"'`
+  → no match; each `.html` twin 307s to its clean form.