fix(review-ledger): linear lead-label prefix, all-caps leads before a space, fields after a parenthesis or without a colon at the line start (GST-976 review)

Co-authored-by: capy-ai[bot] <230910855+capy-ai[bot]@users.noreply.github.com>

lib/review-ledger.ts

@@ -68,17 +68,18 @@ const META = new RegExp(`^(?:[-*+]\\s+)?\\**\\s*(Severity|Blocks)\\**\\s*(?::|\\
 export interface Stated { severity?: string; blocks?: string }
 const STATED_SEVERITY = new RegExp(`(?<![A-Za-z0-9])Severity\\**\\s*:?\\s*\\**\\s*(${LABELS})(?![A-Za-z0-9])`, 'gi');
 /**
- * A finding's own `Severity` field: at the line's start or after a separator, with its colon ("1. Drops rows (q.ts:7). Severity: Low",
- * "- Severity: P0"). With one present a severity word in the body never raises the label (GST-976); prose that mentions a
+ * A finding's own `Severity` field: at the line's start (its colon optional there, "Severity Low"), or after a separator with its colon
+ * ("1. Drops rows (q.ts:7). Severity: Low", "(t.md:3) Severity: Low", "- Severity: P0"). With one present a severity word in the body never raises the label (GST-976); prose that mentions a
  * severity ("pass 1 had Severity: Low", "filed at severity low") is not a field.
  */
-const SEVERITY_FIELD = new RegExp(`(?:^(?:[-*+>]\\s+|\\d+[.)]\\s+)?|[.;,|(]\\s*|\\s[—–-]\\s*)\\**\\s*Severity\\**\\s*:\\s*\\**\\s*(${LABELS})(?![A-Za-z0-9])`, 'gi');
+const SEVERITY_FIELD = new RegExp(`(?:^(?:[-*+>]\\s+|\\d+[.)]\\s+)?\\**\\s*Severity\\**\\s*:?|(?:[.;,|()]\\s*|\\s[—–-]\\s*)\\**\\s*Severity\\**\\s*:)\\s*\\**\\s*(${LABELS})(?![A-Za-z0-9])`, 'gi');
 /**
- * A label leading its line past list, quote, heading, emphasis and emoji marks and an optional file:line, closed by a mark or a
- * separator ("[P0] …", "1. **High**: …", "### CRITICAL: …", "1. api.ts:10 CRITICAL: …"): the reader's own label, which a Severity
- * field never lowers. "P0 pilot …" is not one.
+ * A label leading its line past list, quote, heading, emphasis and emoji marks (one mark per step, so a long divider stays linear)
+ * and an optional file:line, closed by a mark or a separator, or by a space, comma or parenthesis after an all-caps word ("[P0] …",
+ * "1. **High**: …", "### CRITICAL: …", "1. api.ts:10 CRITICAL: …", "1. CRITICAL missing auth"): the reader's own label, which a
+ * Severity field never lowers. "P0 pilot …" is not one.
  */
-const LEAD_LABEL = new RegExp(`^(?:[^\\p{L}\\p{N}\\s]+\\s*|\\d+[.)]\\s*)*(?:[\\w./-]+:\\d+[^\\p{L}\\p{N}\\s]*\\s+(?:[^\\p{L}\\p{N}\\s]+\\s*)*)?(${LABELS})(?=[*_\`\\])]|\\s*[:|—–]|\\s+-\\s|\\s*$)`, 'u');
+const LEAD_LABEL = new RegExp(`^(?:[^\\p{L}\\p{N}\\s]\\s*|\\d+[.)]\\s*)*(?:[\\w./-]+:\\d+[^\\p{L}\\p{N}\\s]*\\s+(?:[^\\p{L}\\p{N}\\s]\\s*)*)?(${LABELS})(?=[*_\`\\])]|\\s*[:|—–]|\\s+-\\s|\\s*$|(?<=[A-Z]{3})[\\s,(.])`, 'u');
 const STATED_BLOCKS = /(?<![A-Za-z0-9])Blocks\**\s*:?\s*\**\s*(yes|no)(?![A-Za-z0-9])/gi;
 function stated(raw: string): Stated | undefined {
   if (raw.startsWith('{')) return undefined;

test/review-dispatch.test.ts

@@ -681,6 +681,16 @@ describe('gstack-review-dispatch sent, collect, judge and verify: nothing change
       ['- Missing auth on DELETE /users lets any user wipe accounts (CRITICAL); the old ticket filed it at severity low.', 'CRITICAL'],
       ['- api.ts:10 lets any user wipe accounts. Earlier triage said Severity: Low; it is CRITICAL.', 'CRITICAL']];
     for (const [output, label] of kept) expect([output, parseFindings('outside-voice', output).map(f => f.label)]).toEqual([output, [label]]);
+    // gst976-p2: an all-caps lead before a space, comma or parenthesis; a field after a locus's parenthesis or with no colon at the
+    // line's start; and a long run of marks before a label stays linear.
+    const p2: Array<[string, string]> = [['1. CRITICAL missing auth. Severity: Low', 'CRITICAL'], ['1. CRITICAL, missing auth on DELETE. Severity: Low', 'CRITICAL'],
+      ['1. CRITICAL (api.ts:10) missing auth. Severity: Low', 'CRITICAL'], ['1. The P0 pilot table drops a row (t.md:3) Severity: Low', 'Low'],
+      ['1. The P0 pilot table drops a row\nSeverity Low', 'Low'], ['1. The P0 pilot table drops a row\n**Severity** Low', 'Low']];
+    for (const [output, label] of p2) expect([output, parseFindings('outside-voice', output).map(f => f.label)]).toEqual([output, [label]]);
+    const t0 = performance.now();
+    for (const run of ['='.repeat(60), '-'.repeat(60), '|' + '-'.repeat(60) + '|', '🔴'.repeat(60), '. '.repeat(60), '-.'.repeat(60), '`'.repeat(60)])
+      for (const tail of [' P0 pilot table', ' High-risk', ' CRITICAL findings follow', ' a.ts:3 P0 pilot']) parseFindings('outside-voice', run + tail + '. Severity: Low');
+    expect(performance.now() - t0).toBeLessThan(500);
   });
 
   // Value: protects=a non-review the same dispatch later answers with a review is voided (counted, VERIFY clean), and a failed outside