fix: avoid opencode structured output session breakage

Replace server-enforced structured output with local JSON parsing for Git generation Render generated commit and PR JSON responses as compact chat cards Tighten generation prompts while preserving active session context
2026-05-14 02:16:52 +03:00
parent bac655ddb4
commit 92f1fa7dfe
17 changed files with 282 additions and 47 deletions
@@ -0,0 +1,67 @@
+export type GeneratedCommitResult = {
+  kind: 'commit';
+  subject: string;
+  highlights: string[];
+  raw: string;
+};
+
+export type GeneratedPrResult = {
+  kind: 'pr';
+  title: string;
+  body: string;
+  raw: string;
+};
+
+export type GeneratedResult = GeneratedCommitResult | GeneratedPrResult;
+
+const parseJsonObjects = (value: string): Record<string, unknown>[] => {
+  const text = value.trim();
+  const candidates = new Set<string>();
+
+  const fencedMatches = text.matchAll(/```(?:json)?\s*([\s\S]*?)```/gi);
+  for (const match of fencedMatches) {
+    if (match[1]) candidates.add(match[1].trim());
+  }
+
+  const firstObjectStart = text.indexOf('{');
+  if (firstObjectStart >= 0) {
+    for (let end = text.length; end > firstObjectStart; end -= 1) {
+      if (text[end - 1] === '}') {
+        candidates.add(text.slice(firstObjectStart, end));
+        break;
+      }
+    }
+  }
+
+  const parsed: Record<string, unknown>[] = [];
+  for (const candidate of candidates) {
+    try {
+      const item = JSON.parse(candidate) as unknown;
+      if (item && typeof item === 'object' && !Array.isArray(item)) {
+        parsed.push(item as Record<string, unknown>);
+      }
+    } catch {
+      // Ignore non-JSON prose; the model may include markdown before the object.
+    }
+  }
+  return parsed;
+};
+
+export const parseGeneratedJsonResult = (value: string): GeneratedResult | null => {
+  for (const item of parseJsonObjects(value)) {
+    const subject = typeof item.subject === 'string' ? item.subject.trim() : '';
+    const highlights = Array.isArray(item.highlights)
+      ? item.highlights.filter((entry) => typeof entry === 'string').map((entry) => entry.trim()).filter(Boolean).slice(0, 3)
+      : [];
+    if (subject) {
+      return { kind: 'commit', subject, highlights, raw: JSON.stringify({ subject, highlights }, null, 2) };
+    }
+
+    const title = typeof item.title === 'string' ? item.title.trim() : '';
+    const body = typeof item.body === 'string' ? item.body.trim() : '';
+    if (title || body) {
+      return { kind: 'pr', title, body, raw: JSON.stringify({ title, body }, null, 2) };
+    }
+  }
+  return null;
+};