refactor(bridge): migrate gravity bridge to pure websocket gateway architecture, deleting legacy local file scanners and dependencies

extension/out/extension.js

@@ -120,15 +120,6 @@ function detectProjectName() {
     return 'default';
 }
 // ─── Bridge File I/O ───
-function ensureBridgeDir() {
-    const dirs = ['', 'response', 'commands', 'chat_snapshots'];
-    for (const d of dirs) {
-        const p = path.join(bridgePath, d);
-        if (!fs.existsSync(p)) {
-            fs.mkdirSync(p, { recursive: true });
-        }
-    }
-}
 // Module-level activeSessionId so writeChatSnapshot can register sessions lazily
 let activeSessionId = '';
 let activeTrajectoryId = '';
@@ -136,39 +127,16 @@ let activeTrajectoryId = '';
 const recentDiscordSentTexts = new Map();
 function writeChatSnapshot(text) {
     try {
-        // WS route (preferred) — skip file write to prevent duplicate Discord delivery
         if (wsBridge && wsBridge.isConnected()) {
             wsBridge.sendChat({
                 content: text,
-                conversation_id: activeSessionId,
+                conversation_id: (0, step_probe_1.getActiveSessionId)(),
                 project_name: projectName,
             });
             logToFile(`[SNAPSHOT-WS] sent (${text.length} chars)`);
-            if (activeSessionId) {
-                (0, step_probe_1.writeRegistration)(activeSessionId);
+            if ((0, step_probe_1.getActiveSessionId)()) {
+                (0, step_probe_1.writeRegistration)((0, step_probe_1.getActiveSessionId)());
             }
-            return;
-        }
-        // File route (fallback — only when WS is NOT connected)
-        const snapshotDir = path.join(bridgePath, 'chat_snapshots');
-        if (!fs.existsSync(snapshotDir)) {
-            fs.mkdirSync(snapshotDir, { recursive: true });
-        }
-        const id = Date.now().toString();
-        const data = {
-            id,
-            project_name: projectName,
-            content: text,
-            timestamp: Date.now() / 1000,
-        };
-        const filePath = path.join(snapshotDir, `${id}.json`);
-        fs.writeFileSync(filePath, JSON.stringify(data, null, 2), 'utf-8');
-        console.log(`Gravity Bridge: chat snapshot written (${text.length} chars) → ${id}.json`);
-        logToFile(`[SNAPSHOT] written ${id}.json (${text.length} chars)`);
-        logToFile(`[SNAPSHOT] content: ${text.substring(0, 200)}`);
-        // Lazily register session → project mapping (correct because projectName is per-window)
-        if (activeSessionId) {
-            (0, step_probe_1.writeRegistration)(activeSessionId);
         }
     }
     catch (e) {
@@ -177,38 +145,17 @@ function writeChatSnapshot(text) {
 }
 function writeChatSnapshotWithFiles(text, files) {
     try {
-        // WS route (preferred) — skip file write to prevent duplicate Discord delivery
         if (wsBridge && wsBridge.isConnected()) {
             wsBridge.sendChat({
                 content: text,
                 attached_files: files,
-                conversation_id: activeSessionId,
+                conversation_id: (0, step_probe_1.getActiveSessionId)(),
                 project_name: projectName,
             });
             logToFile(`[SNAPSHOT-WS] sent with ${files.length} files (${text.length} chars)`);
-            if (activeSessionId) {
-                (0, step_probe_1.writeRegistration)(activeSessionId);
+            if ((0, step_probe_1.getActiveSessionId)()) {
+                (0, step_probe_1.writeRegistration)((0, step_probe_1.getActiveSessionId)());
             }
-            return;
-        }
-        // File route (fallback — only when WS is NOT connected)
-        const snapshotDir = path.join(bridgePath, 'chat_snapshots');
-        if (!fs.existsSync(snapshotDir)) {
-            fs.mkdirSync(snapshotDir, { recursive: true });
-        }
-        const id = Date.now().toString();
-        const data = {
-            id,
-            project_name: projectName,
-            content: text,
-            attached_files: files,
-            timestamp: Date.now() / 1000,
-        };
-        const filePath = path.join(snapshotDir, `${id}.json`);
-        fs.writeFileSync(filePath, JSON.stringify(data, null, 2), 'utf-8');
-        logToFile(`[SNAPSHOT] written ${id}.json (${text.length} chars, ${files.length} files)`);
-        if (activeSessionId) {
-            (0, step_probe_1.writeRegistration)(activeSessionId);
         }
     }
     catch (e) {
@@ -405,7 +352,6 @@ async function activate(context) {
     const config = vscode.workspace.getConfiguration('gravityBridge');
     const configPath = config.get('bridgePath');
     bridgePath = configPath || path.join(os.homedir(), '.gemini', 'antigravity', 'bridge');
-    ensureBridgeDir();
     console.log(`Gravity Bridge: bridge path: ${bridgePath}`);
     // ── WebSocket Hub Connection ──
     const hubUrl = process.env.GRAVITY_HUB_URL || config.get('hubUrl') || '';
@@ -541,6 +487,7 @@ async function activate(context) {
             get activeSessionId() { return (0, step_probe_1.getStepProbeContext)().activeSessionId; },
             get sessionStalled() { return (0, step_probe_1.getStepProbeContext)().sessionStalled; },
             get lastPendingStepIndex() { return (0, step_probe_1.getStepProbeContext)().lastPendingStepIndex; },
+            writeChatSnapshot,
         };
         const bridgePort = await (0, http_bridge_1.startHttpBridge)(httpBridgeCtx, sdk);
         let localPort = bridgePort;