fix(docs): true two stale skill counts to 380 and bring them under the counter gate

Caught by review on the v2.12.0 promotion PR #985: README's Skills Overview
heading still said 370 and CLAUDE.md's footer Status line said 379 while the
banner/badges/scope line say the derived 380. Both wordings ('370 skills
across', '379 skills deployed across') were invisible to derive_counters.py's
claim patterns, which is why they could drift — reworded both into the
standardized '<N> production-ready skills across <D> domains' phrasing, made
extract_claims() validate every occurrence of a claim pattern instead of only
the first, and run_check() now reads CLAUDE.md's Status footer line alongside
Current Scope. Verified: planting 999/998 in the two lines fails the gate
naming both; restored values pass.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01Qgc6RYXWJPr5oW9DHU7zR4

CLAUDE.md

@@ -720,4 +720,4 @@ When I correct you, or you catch yourself making a mistake: before continuing ad
 
 **Last Updated:** August 24, 2026
 **Version:** v2.12.0 (consolidated release — see CHANGELOG.md)
-**Status:** 379 skills deployed across 20 domains, 96 marketplace plugins, docs site live (counters derived via `scripts/derive_counters.py`)
+**Status:** 380 production-ready skills across 20 domains, 96 marketplace plugins, docs site live (counters derived via `scripts/derive_counters.py`)

README.md

@@ -152,7 +152,7 @@ Run `./scripts/convert.sh --tool all` to generate tool-specific outputs locally.
 
 ## Skills Overview
 
-**370 skills across 20 domains:**
+**380 production-ready skills across 20 domains:**
 
 | Domain | Skills | Highlights | Details |
 |--------|--------|------------|---------|

scripts/derive_counters.py

@@ -149,12 +149,18 @@ CLAIM_PATTERNS = {
 
 
 def extract_claims(text: str) -> dict:
-    """Return {counter_name: first claimed int} for every pattern found in text."""
+    """Return {counter_name: [every claimed int]} for every pattern found in text.
+
+    All occurrences are collected (not just the first) so a stale duplicate of a
+    headline claim elsewhere in the same file — e.g. a section heading that
+    repeats the skill count — is gated too (caught live on the v2.12.0
+    promotion PR #985, where the README banner said 380 while a section
+    heading still said 370)."""
     claims = {}
     for key, pattern in CLAIM_PATTERNS.items():
-        match = pattern.search(text)
-        if match:
-            claims[key] = int(match.group(1))
+        values = [int(m.group(1)) for m in pattern.finditer(text)]
+        if values:
+            claims[key] = values
     return claims
 
 
@@ -272,9 +278,11 @@ def run_check(root: Path, derived: dict) -> int:
     claude_md = root / "CLAUDE.md"
     if claude_md.is_file():
         text = claude_md.read_text(encoding="utf-8")
-        # Restrict to the "Current Scope" line so history sections don't trip the gate.
-        scope_lines = [ln for ln in text.splitlines() if ln.startswith("**Current Scope:**")]
-        sources.append(("CLAUDE.md (Current Scope line)", "\n".join(scope_lines)))
+        # Restrict to the "Current Scope" and footer "Status:" lines so
+        # history sections don't trip the gate.
+        scope_lines = [ln for ln in text.splitlines()
+                       if ln.startswith("**Current Scope:**") or ln.startswith("**Status:**")]
+        sources.append(("CLAUDE.md (Current Scope / Status lines)", "\n".join(scope_lines)))
 
     marketplace = root / ".claude-plugin" / "marketplace.json"
     if marketplace.is_file():
@@ -292,12 +300,13 @@ def run_check(root: Path, derived: dict) -> int:
         if not claims:
             mismatches.append(f"{label}: no recognizable counter claims found")
             continue
-        for key, claimed in claims.items():
+        for key, values in claims.items():
             actual = derived[key]
-            if claimed != actual:
-                mismatches.append(
-                    f"{label}: claims {key}={claimed}, derived {key}={actual}"
-                )
+            for claimed in values:
+                if claimed != actual:
+                    mismatches.append(
+                        f"{label}: claims {key}={claimed}, derived {key}={actual}"
+                    )
 
     mismatches.extend(check_domain_table(root))
     mismatches.extend(check_readme_badges(root, derived))