Refactor session ID references from sdk_session_id to memory_session_id across multiple services and database queries

- Updated SQL queries in cleanup-duplicates.ts and context-generator.ts to use memory_session_id.
- Modified interfaces in context-generator.ts to reflect the new session ID naming.
- Implemented a repair migration in SessionStore.ts to rename columns in existing tables.
- Adjusted FormattingService.ts and SDKAgent.ts to utilize memory_session_id for session handling.
- Ensured SearchManager.ts retrieves summaries and observations using the updated memory_session_id.

src/services/worker/FormattingService.ts

@@ -74,7 +74,7 @@ Tips:
     const id = `#S${session.id}`;
     const time = this.formatTime(session.created_at_epoch);
     const icon = '🎯';
-    const title = session.request || `Session ${session.sdk_session_id?.substring(0, 8) || 'unknown'}`;
+    const title = session.request || `Session ${session.memory_session_id?.substring(0, 8) || 'unknown'}`;
 
     return `| ${id} | ${time} | ${icon} | ${title} | - | - |`;
   }
@@ -137,7 +137,7 @@ Tips:
     const id = `#S${session.id}`;
     const time = this.formatTime(session.created_at_epoch);
     const icon = '🎯';
-    const title = session.request || `Session ${session.sdk_session_id?.substring(0, 8) || 'unknown'}`;
+    const title = session.request || `Session ${session.memory_session_id?.substring(0, 8) || 'unknown'}`;
 
     // Use ditto mark if same time as previous row
     const timeDisplay = time === lastTime ? '″' : time;

src/services/worker/SDKAgent.ts

@@ -64,22 +64,29 @@ export class SDKAgent {
       // Create message generator (event-driven)
       const messageGenerator = this.createMessageGenerator(session);
 
+      // CRITICAL: Only resume if memorySessionId is a REAL captured SDK session ID,
+      // not the placeholder (which equals contentSessionId). The placeholder is set
+      // for FK purposes but would cause the bug where we try to resume the USER's session!
+      const hasRealMemorySessionId = session.memorySessionId &&
+        session.memorySessionId !== session.contentSessionId;
+
       logger.info('SDK', 'Starting SDK query', {
         sessionDbId: session.sessionDbId,
         contentSessionId: session.contentSessionId,
         memorySessionId: session.memorySessionId,
-        resume_parameter: session.memorySessionId || '(none - fresh start)',
+        hasRealMemorySessionId,
+        resume_parameter: hasRealMemorySessionId ? session.memorySessionId : '(none - fresh start)',
         lastPromptNumber: session.lastPromptNumber
       });
 
       // Run Agent SDK query loop
-      // Use memorySessionId for resume (captured from previous SDK response) if available
+      // Only resume if we have a REAL captured memory session ID (not the placeholder)
       const queryResult = query({
         prompt: messageGenerator,
         options: {
           model: modelId,
-          // Only resume if we have a captured memory session ID from previous SDK interaction
-          ...(session.memorySessionId && { resume: session.memorySessionId }),
+          // Only resume if memorySessionId differs from contentSessionId (meaning it was captured)
+          ...(hasRealMemorySessionId && { resume: session.memorySessionId }),
           disallowedTools,
           abortController: session.abortController,
           pathToClaudeCodeExecutable: claudePath

src/services/worker/SearchManager.ts

@@ -1376,13 +1376,13 @@ export class SearchManager {
         lines.push('');
 
         for (const session of sessions) {
-          if (!session.sdk_session_id) continue;
+          if (!session.memory_session_id) continue;
 
           lines.push('---');
           lines.push('');
 
           if (session.has_summary) {
-            const summary = this.sessionStore.getSummaryForSession(session.sdk_session_id);
+            const summary = this.sessionStore.getSummaryForSession(session.memory_session_id);
             if (summary) {
               const promptLabel = summary.prompt_number ? ` (Prompt #${summary.prompt_number})` : '';
               lines.push(`**Summary${promptLabel}**`);
@@ -1432,7 +1432,7 @@ export class SearchManager {
               lines.push(`**Request:** ${session.user_prompt}`);
             }
 
-            const observations = this.sessionStore.getObservationsForSession(session.sdk_session_id);
+            const observations = this.sessionStore.getObservationsForSession(session.memory_session_id);
             if (observations.length > 0) {
               lines.push('');
               lines.push(`**Observations (${observations.length}):**`);