style: auto-fix ESLint issues (curly braces and formatting)

- Add curly braces to all if/else/for/while statements
- Fix indentation and trailing spaces
- Auto-fixed 372 linting errors using eslint --fix
- Remaining issues are warnings only (non-null assertions, explicit any types)

src/session/manager.ts

@@ -13,7 +13,7 @@ export class ManagedSession implements Session {
   constructor(
     public readonly id: string,
     private store: SessionStore,
-    private history: Message[] = []
+    private history: Message[] = [],
   ) {}
 
   addMessage(message: Message): Message {
@@ -76,7 +76,7 @@ export class SessionManager {
     fromFrontend: string,
     fromUserId: string,
     toFrontend: string,
-    toUserId: string
+    toUserId: string,
   ): void {
     const fromSession = this.getSession(fromFrontend, fromUserId);
     const toSession = this.getSession(toFrontend, toUserId);

src/session/store.ts

@@ -4,9 +4,9 @@ import type { PairingStore, ApprovedSender } from '../channels/pairing.js';
 
 /** Parse a duration string like '30d', '7d', '12h' to milliseconds. Returns null if invalid or '0'. */
 export function parseDuration(s: string): number | null {
-  if (s === '0' || s === 'false') return null;
+  if (s === '0' || s === 'false') {return null;}
   const match = s.match(/^(\d+)(h|d)$/);
-  if (!match) return null;
+  if (!match) {return null;}
   const [, n, unit] = match;
   return unit === 'h' ? Number(n) * 3600_000 : Number(n) * 86_400_000;
 }
@@ -41,14 +41,14 @@ export class SessionStore {
 
   addMessage(sessionId: string, message: Message): void {
     const stmt = this.db.prepare(
-      'INSERT INTO messages (session_id, role, content) VALUES (?, ?, ?)'
+      'INSERT INTO messages (session_id, role, content) VALUES (?, ?, ?)',
     );
     stmt.run(sessionId, message.role, message.content);
   }
 
   getMessages(sessionId: string): Message[] {
     const stmt = this.db.prepare(
-      'SELECT role, content FROM messages WHERE session_id = ? ORDER BY id ASC'
+      'SELECT role, content FROM messages WHERE session_id = ? ORDER BY id ASC',
     );
     const rows = stmt.all(sessionId) as Array<{ role: string; content: string }>;
     return rows.map(row => ({
@@ -68,7 +68,7 @@ export class SessionStore {
       this.db.prepare('DELETE FROM messages WHERE session_id = ?').run(sessionId);
       // Re-insert in order
       const insert = this.db.prepare(
-        'INSERT INTO messages (session_id, role, content) VALUES (?, ?, ?)'
+        'INSERT INTO messages (session_id, role, content) VALUES (?, ?, ?)',
       );
       for (const msg of messages) {
         insert.run(sessionId, msg.role, msg.content);
@@ -96,7 +96,7 @@ export class SessionStore {
       HAVING MAX(created_at) < ?
     `).all(beforeTimestamp) as Array<{ session_id: string }>;
 
-    if (stale.length === 0) return [];
+    if (stale.length === 0) {return [];}
 
     const deleteStmt = this.db.prepare('DELETE FROM messages WHERE session_id = ?');
     const transaction = this.db.transaction(() => {
@@ -113,7 +113,7 @@ export class SessionStore {
     return {
       loadApproved: (): ApprovedSender[] => {
         const rows = this.db.prepare(
-          'SELECT channel, sender_id, approved_at, code_used FROM pairing_approved'
+          'SELECT channel, sender_id, approved_at, code_used FROM pairing_approved',
         ).all() as Array<{ channel: string; sender_id: string; approved_at: number; code_used: string }>;
         return rows.map(r => ({
           channel: r.channel,
@@ -130,7 +130,7 @@ export class SessionStore {
       },
       removeApproved: (channel: string, senderId: string): void => {
         this.db.prepare(
-          'DELETE FROM pairing_approved WHERE channel = ? AND sender_id = ?'
+          'DELETE FROM pairing_approved WHERE channel = ? AND sender_id = ?',
         ).run(channel, senderId);
       },
     };