Preserve bounded repair context

Keep repair attempt metadata and nested diagnostics while retaining prompt limits.\n\nAI assistance: Implemented and validated with OpenAI Codex under maintainer authorization.

skill/scripts/live-copy-edit-agent.mjs

@@ -14,10 +14,12 @@ import path from 'node:path';
 import { createRequire } from 'node:module';
 
 const DEFAULT_TIMEOUT_MS = 60_000;
+const BATCH_OP_TEXT_LIMIT = 240;
 const require = createRequire(import.meta.url);
 
 export function buildCopyEditBatchPrompt(batch, { cwd = process.cwd() } = {}) {
-  const repairLines = batch?.repair ? [
+  const compactBatch = compactBatchForPrompt(batch);
+  const repairLines = compactBatch.repair ? [
     '',
     'Repair mode:',
     '- The previous Apply attempt changed source, but validation failed.',
@@ -28,7 +30,7 @@ export function buildCopyEditBatchPrompt(batch, { cwd = process.cwd() } = {}) {
     '- If failures or candidates show edited text is also a lookup key, update coupled count, animation, icon, image, asset, style, or metadata keys in the current source, or fail that entry without partial edits.',
     '- Keep failed and notes as arrays.',
     '- Return the same canonical JSON shape after repair.',
-    JSON.stringify(batch.repair, null, 2),
+    JSON.stringify(compactBatch.repair, null, 2),
   ] : [];
   return [
     'You are the Impeccable staged copy-edit batch applier.',
@@ -80,7 +82,7 @@ export function buildCopyEditBatchPrompt(batch, { cwd = process.cwd() } = {}) {
     ...repairLines,
     '',
     'Staged copy-edit batch:',
-    JSON.stringify(compactBatchForPrompt(batch), null, 2),
+    JSON.stringify(compactBatch, null, 2),
   ].join('\n');
 }
 
@@ -292,7 +294,7 @@ function readManualEditValidationScript(cwd) {
 function compactBatchForPrompt(batch) {
   return {
     pageUrl: batch?.pageUrl || null,
-    repair: batch?.repair || undefined,
+    repair: compactBatchRepair(batch?.repair),
     entries: (batch?.entries || []).map((entry) => ({
       id: entry.id,
       pageUrl: entry.pageUrl,
@@ -300,7 +302,71 @@ function compactBatchForPrompt(batch) {
       element: compactContextForBatch(entry.element),
       ops: (entry.ops || []).map(compactBatchOp),
     })),
-    candidates: batch?.candidates || [],
+    candidates: compactBatchCandidates(batch?.candidates),
+  };
+}
+
+function compactBatchRepair(repair) {
+  if (!repair || typeof repair !== 'object') return undefined;
+  return {
+    status: compactBatchString(repair.status),
+    attempt: normalizeOptionalBatchNumber(repair.attempt),
+    attempts: normalizeOptionalBatchNumber(repair.attempts),
+    maxAttempts: normalizeOptionalBatchNumber(repair.maxAttempts),
+    reason: compactBatchString(repair.reason),
+    transactionId: compactBatchString(repair.transactionId),
+    pageUrl: compactBatchString(repair.pageUrl),
+    failures: compactBatchDiagnostics(repair.failures),
+    files: compactBatchStringList(repair.files, 20),
+  };
+}
+
+function compactBatchDiagnostics(items, depth = 0) {
+  if (!Array.isArray(items)) return undefined;
+  return items.slice(0, 12).map((item) => ({
+    entryId: compactBatchString(item?.entryId || item?.id),
+    reason: compactBatchString(item?.reason || item?.kind),
+    detail: compactBatchString(item?.detail),
+    message: compactBatchString(item?.message),
+    file: compactBatchString(item?.file || item?.relativeFile),
+    line: normalizeOptionalBatchNumber(item?.line),
+    ref: compactBatchString(item?.ref),
+    marker: compactBatchString(item?.marker),
+    files: compactBatchStringList(item?.files, 8),
+    candidates: depth < 2 ? compactBatchSourceMatches(item?.candidates, 8) : undefined,
+    failures: depth < 2 ? compactBatchDiagnostics(item?.failures, depth + 1) : undefined,
+    checks: depth < 2 ? compactBatchDiagnostics(item?.checks, depth + 1) : undefined,
+  }));
+}
+
+function compactBatchCandidates(candidates) {
+  return (Array.isArray(candidates) ? candidates : [])
+    .slice(0, 24)
+    .map((candidate) => ({
+      entryId: compactBatchString(candidate?.entryId),
+      ref: compactBatchString(candidate?.ref),
+      sourceHint: compactBatchSourceMatch(candidate?.sourceHint),
+      textMatches: compactBatchSourceMatches(candidate?.textMatches, 8),
+      objectKeyMatches: compactBatchSourceMatches(candidate?.objectKeyMatches, 8),
+      contextTextMatches: compactBatchSourceMatches(candidate?.contextTextMatches, 8),
+      locatorMatches: compactBatchSourceMatches(candidate?.locatorMatches, 6),
+    }));
+}
+
+function compactBatchSourceMatches(matches, limit) {
+  if (!Array.isArray(matches)) return undefined;
+  return matches.slice(0, limit).map(compactBatchSourceMatch).filter(Boolean);
+}
+
+function compactBatchSourceMatch(match) {
+  if (!match || typeof match !== 'object') return null;
+  return {
+    file: compactBatchString(match.relativeFile || match.file),
+    line: normalizeBatchNumber(match.line),
+    column: normalizeBatchNumber(match.column),
+    kind: compactBatchString(match.kind),
+    reason: compactBatchString(match.reason || match.kind),
+    status: compactBatchString(match.status),
   };
 }
 
@@ -311,25 +377,77 @@ function compactBatchOp(op) {
     contextRef: op.contextRef,
     tag: op.tag,
     elementId: op.elementId,
-    classes: op.classes,
+    classes: compactBatchStringList(op.classes, 24),
     originalText: op.originalText,
     newText: op.newText,
     deleted: op.deleted === true || undefined,
-    sourceHint: op.sourceHint,
+    sourceHint: normalizeBatchSourceHint(op.sourceHint),
     leaf: compactContextForBatch(op.leaf),
-    nearbyEditableTexts: Array.isArray(op.nearbyEditableTexts) ? op.nearbyEditableTexts.slice(0, 8) : [],
+    nearbyEditableTexts: compactNearbyBatchTexts(op.nearbyEditableTexts),
     container: compactContextForBatch(op.container),
-    contextHints: Array.isArray(op.contextHints) ? op.contextHints.slice(0, 12) : [],
+    contextHints: compactBatchStringList(op.contextHints, 12),
   };
 }
 
+function normalizeBatchSourceHint(hint) {
+  if (!hint || typeof hint !== 'object') return null;
+  let line = normalizeBatchNumber(hint.line);
+  let column = normalizeBatchNumber(hint.column);
+  if ((line === null || column === null) && typeof hint.loc === 'string') {
+    const match = hint.loc.match(/^(\d+)(?::(\d+))?/);
+    if (match) {
+      line = Number(match[1]);
+      if (match[2]) column = Number(match[2]);
+    }
+  }
+  return {
+    file: compactBatchString(hint.file) || '',
+    loc: compactBatchString(hint.loc) || '',
+    line,
+    column,
+  };
+}
+
+function normalizeBatchNumber(value) {
+  if (value === null || value === undefined || value === '') return null;
+  const number = Number(value);
+  return Number.isFinite(number) ? number : null;
+}
+
+function normalizeOptionalBatchNumber(value) {
+  const number = normalizeBatchNumber(value);
+  return number === null ? undefined : number;
+}
+
+function compactNearbyBatchTexts(items) {
+  return (Array.isArray(items) ? items : [])
+    .slice(0, 8)
+    .map((item) => typeof item === 'string' ? { text: truncate(item, BATCH_OP_TEXT_LIMIT) } : {
+      ref: compactBatchString(item?.ref),
+      tag: compactBatchString(item?.tag),
+      classes: compactBatchStringList(item?.classes, 24),
+      text: compactBatchString(item?.text),
+    });
+}
+
+function compactBatchStringList(items, limit) {
+  return (Array.isArray(items) ? items : [])
+    .slice(0, limit)
+    .filter((item) => typeof item === 'string')
+    .map((item) => truncate(item, BATCH_OP_TEXT_LIMIT));
+}
+
+function compactBatchString(value) {
+  return typeof value === 'string' ? truncate(value, BATCH_OP_TEXT_LIMIT) : undefined;
+}
+
 function compactContextForBatch(value) {
   if (!value || typeof value !== 'object') return value || null;
   return {
-    ref: value.ref,
+    ref: compactBatchString(value.ref),
-    tagName: value.tagName,
+    tagName: compactBatchString(value.tagName),
-    id: value.id,
+    id: compactBatchString(value.id),
-    classes: value.classes,
+    classes: compactBatchStringList(value.classes, 24),
     textContent: truncate(value.textContent, 900),
     outerHTML: truncate(stripLiveRuntimeHtml(value.outerHTML), 1800),
   };

tests/live-copy-edit-agent.test.mjs

@@ -51,6 +51,124 @@ describe('live-copy-edit-agent', () => {
     assert.match(prompt, /Return ONLY JSON/);
   });
 
+  it('bounds and whitelists operation context in batch prompts', () => {
+    const huge = 'Z'.repeat(50_000);
+    const prompt = buildCopyEditBatchPrompt({
+      pageUrl: '/',
+      entries: [{
+        id: 'bounded',
+        pageUrl: '/',
+        ops: [{
+          classes: [huge],
+          originalText: 'Old',
+          newText: 'New',
+          sourceHint: {
+            file: 'src/App.jsx',
+            loc: '12:3',
+            nested: { payload: huge },
+          },
+          nearbyEditableTexts: [{
+            ref: 'body>main>span',
+            tag: 'span',
+            classes: ['label'],
+            text: huge,
+            extra: huge,
+          }],
+          contextHints: [huge],
+        }],
+      }],
+    });
+
+    const serializedBatch = prompt.split('Staged copy-edit batch:\n').pop();
+    const op = JSON.parse(serializedBatch).entries[0].ops[0];
+    assert.ok(prompt.length < 20_000, `expected compact prompt, got ${prompt.length} characters`);
+    assert.ok(op.classes[0].length < 400);
+    assert.deepEqual(op.sourceHint, {
+      file: 'src/App.jsx',
+      loc: '12:3',
+      line: 12,
+      column: 3,
+    });
+    assert.deepEqual(Object.keys(op.nearbyEditableTexts[0]).sort(), ['classes', 'ref', 'tag', 'text']);
+    assert.ok(op.nearbyEditableTexts[0].text.length < 400);
+    assert.ok(op.contextHints[0].length < 400);
+  });
+
+  it('bounds batch repair, candidate, and element context', () => {
+    const huge = 'Z'.repeat(250_000);
+    const prompt = buildCopyEditBatchPrompt({
+      pageUrl: '/',
+      repair: {
+        status: 'needs_decision',
+        attempt: 2,
+        maxAttempts: 3,
+        reason: 'source_verification_failed',
+        pageUrl: '/pricing',
+        transactionId: huge,
+        failures: [{
+          entryId: 'bounded',
+          message: huge,
+          candidates: [{ file: huge, line: 12, kind: 'text' }],
+          failures: [{ ref: huge, reason: huge }],
+          checks: [{ file: huge, reason: huge }],
+          extra: huge,
+        }],
+        files: [huge],
+        extra: huge,
+      },
+      entries: [{
+        id: 'bounded',
+        element: { ref: huge, tagName: huge, id: huge, classes: [huge], textContent: huge },
+        ops: [{
+          originalText: 'Old',
+          newText: 'New',
+          sourceHint: { file: 'src/App.jsx', line: null, column: null },
+        }],
+      }],
+      candidates: [{
+        entryId: 'bounded',
+        ref: huge,
+        sourceHint: { file: huge, line: null, extra: huge },
+        textMatches: [{ file: huge, reason: huge, extra: huge }],
+        extra: huge,
+      }],
+    });
+
+    const serializedBatch = prompt.split('Staged copy-edit batch:\n').pop();
+    const compact = JSON.parse(serializedBatch);
+    assert.ok(prompt.length < 25_000, `expected compact prompt, got ${prompt.length} characters`);
+    assert.deepEqual(Object.keys(compact.repair).sort(), [
+      'failures',
+      'files',
+      'attempt',
+      'maxAttempts',
+      'pageUrl',
+      'reason',
+      'status',
+      'transactionId',
+    ].sort());
+    assert.equal(compact.repair.attempt, 2);
+    assert.equal(compact.repair.reason, 'source_verification_failed');
+    assert.ok(compact.repair.transactionId.length < 400);
+    assert.ok(compact.repair.failures[0].message.length < 400);
+    assert.equal(compact.repair.failures[0].entryId, 'bounded');
+    assert.ok(compact.repair.failures[0].candidates[0].file.length < 400);
+    assert.ok(compact.repair.failures[0].failures[0].ref.length < 400);
+    assert.ok(compact.repair.failures[0].checks[0].file.length < 400);
+    assert.deepEqual(Object.keys(compact.candidates[0]).sort(), [
+      'entryId',
+      'ref',
+      'sourceHint',
+      'textMatches',
+    ]);
+    assert.ok(compact.candidates[0].ref.length < 400);
+    assert.ok(compact.candidates[0].sourceHint.file.length < 400);
+    assert.ok(compact.entries[0].element.ref.length < 400);
+    assert.ok(compact.entries[0].element.classes[0].length < 400);
+    assert.equal(compact.entries[0].ops[0].sourceHint.line, null);
+    assert.equal(compact.entries[0].ops[0].sourceHint.column, null);
+  });
+
   it('parses partial batch results', () => {
     assert.deepEqual(
       parseCopyEditBatchResult('{"status":"partial","appliedEntryIds":["a"],"failed":[{"entryId":"b","reason":"ambiguous"}],"files":["src/page.js"]}'),