Good first issues: async capture pipeline, Windows fixes, and Antigravity adapter

.gitignore

@@ -30,3 +30,8 @@ scratch/
 AGENTS.md
 GEMINI.md
 .cch/
+
+# Debug / scratch artifacts (never commit)
+patch.diff
+fix-await.ps1
+fix_tests.py

src/adapters/antigravity.ts

@@ -0,0 +1,35 @@
+import { NormalizedHookInput } from './index';
+
+export function fromAntigravity(raw: any): NormalizedHookInput {
+  const toolCall = (raw.toolCall ?? {}) as Record<string, any>;
+  const toolInput = (toolCall.arguments ?? {}) as Record<string, any>;
+
+  const toolName = String(toolCall.name ?? '');
+  const sessionId = String(raw.session_id ?? raw.sessionId ?? '');
+  const rawFilePath = String(toolInput.file_path ?? toolInput.path ?? toolInput.filePath ?? '');
+
+  const oldContent = toolInput.old_string !== undefined ? String(toolInput.old_string) : (toolInput.oldContent !== undefined ? String(toolInput.oldContent) : undefined);
+  const newContent = toolInput.new_string !== undefined ? String(toolInput.new_string) : (toolInput.newContent !== undefined ? String(toolInput.newContent) : (toolInput.content !== undefined ? String(toolInput.content) : undefined));
+  const diff = raw.diff !== undefined ? String(raw.diff) : undefined;
+
+  const edits = Array.isArray(toolInput.edits)
+    ? toolInput.edits.map((raw: any) => {
+        const e = (raw && typeof raw === 'object') ? raw : {};
+        return {
+          old_string: e.old_string !== undefined ? String(e.old_string) : undefined,
+          new_string: e.new_string !== undefined ? String(e.new_string) : undefined,
+        };
+      })
+    : undefined;
+
+  return {
+    toolName,
+    filePath: rawFilePath,
+    oldContent,
+    newContent,
+    diff,
+    sessionId,
+    source: 'antigravity',
+    edits
+  };
+}

src/adapters/index.ts

@@ -3,6 +3,7 @@ import { fromGemini } from './gemini';
 import { fromCodex } from './codex';
 import { fromCline } from './cline';
 import { fromKimi } from './kimi';
+import { fromAntigravity } from './antigravity';
 
 export interface NormalizedHookInput {
   toolName: string;
@@ -11,22 +12,23 @@ export interface NormalizedHookInput {
   newContent?: string;
   diff?: string;
   sessionId: string;
-  source?: 'claude-code' | 'gemini' | 'codex' | 'cline' | 'kimi';
+  source?: 'claude-code' | 'gemini' | 'codex' | 'cline' | 'kimi' | 'antigravity';
   edits?: Array<{ old_string?: string; new_string?: string }>;
 }
 
-export const ALLOWED_ADAPTERS = new Set(['claude-code', 'gemini', 'codex', 'cline', 'kimi']);
+export const ALLOWED_ADAPTERS = new Set(['claude-code', 'gemini', 'codex', 'cline', 'kimi', 'antigravity']);
 
 export function normalizeInput(raw: unknown, adapter: string): NormalizedHookInput {
   if (!ALLOWED_ADAPTERS.has(adapter)) {
     throw new Error(`Unsupported or invalid adapter: ${adapter}. Allowed adapters: ${[...ALLOWED_ADAPTERS].join(', ')}`);
   }
   const r = (raw ?? {}) as any;
   switch (adapter) {
-    case 'gemini':  return fromGemini(r);
-    case 'codex':   return fromCodex(r);
-    case 'cline':   return fromCline(r);
-    case 'kimi':    return fromKimi(r);
-    default:        return fromClaudeCode(r);
+    case 'gemini':      return fromGemini(r);
+    case 'codex':       return fromCodex(r);
+    case 'cline':       return fromCline(r);
+    case 'kimi':        return fromKimi(r);
+    case 'antigravity': return fromAntigravity(r);
+    default:            return fromClaudeCode(r);
   }
 }