feat: display model name on observation/summary cards

plugin/ui/viewer.html

@@ -1043,6 +1043,17 @@
       color: var(--color-text-muted);
     }
 
+    /* Model badge styling */
+    .card-model {
+      font-size: 10px;
+      padding: 1px 6px;
+      border-radius: 3px;
+      background: var(--color-type-badge-bg);
+      color: var(--color-type-badge-text);
+      font-weight: 500;
+      opacity: 0.8;
+    }
+
     .summary-card {
       border-color: var(--color-border-summary);
       background: var(--color-bg-summary);

src/services/sqlite/SessionStore.ts

@@ -1003,9 +1003,10 @@ export class SessionStore {
     prompt_number: number | null;
     created_at: string;
     created_at_epoch: number;
+    model: string | null;
   }> {
     const stmt = this.db.prepare(`
-      SELECT id, type, title, subtitle, text, project, prompt_number, created_at, created_at_epoch
+      SELECT id, type, title, subtitle, text, project, prompt_number, created_at, created_at_epoch, model
       FROM observations
       ORDER BY created_at_epoch DESC
       LIMIT ?
@@ -1649,7 +1650,8 @@ export class SessionStore {
     } | null,
     promptNumber?: number,
     discoveryTokens: number = 0,
-    overrideTimestampEpoch?: number
+    overrideTimestampEpoch?: number,
+    model?: string | null
   ): { observationIds: number[]; summaryId: number | null; createdAtEpoch: number } {
     // Use override timestamp if provided
     const timestampEpoch = overrideTimestampEpoch ?? Date.now();
@@ -1663,8 +1665,8 @@ export class SessionStore {
       const obsStmt = this.db.prepare(`
         INSERT INTO observations
         (memory_session_id, project, type, title, subtitle, facts, narrative, concepts,
-         files_read, files_modified, prompt_number, discovery_tokens, created_at, created_at_epoch)
-        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+         files_read, files_modified, prompt_number, discovery_tokens, created_at, created_at_epoch, model)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
       `);
 
       for (const observation of observations) {
@@ -1682,7 +1684,8 @@ export class SessionStore {
           promptNumber || null,
           discoveryTokens,
           timestampIso,
-          timestampEpoch
+          timestampEpoch,
+          model || null
         );
         observationIds.push(Number(result.lastInsertRowid));
       }
@@ -1693,8 +1696,8 @@ export class SessionStore {
         const summaryStmt = this.db.prepare(`
           INSERT INTO session_summaries
           (memory_session_id, project, request, investigated, learned, completed,
-           next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch)
-          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+           next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch, model)
+          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         `);
 
         const result = summaryStmt.run(
@@ -1709,7 +1712,8 @@ export class SessionStore {
           promptNumber || null,
           discoveryTokens,
           timestampIso,
-          timestampEpoch
+          timestampEpoch,
+          model || null
         );
         summaryId = Number(result.lastInsertRowid);
       }
@@ -1769,7 +1773,8 @@ export class SessionStore {
     _pendingStore: PendingMessageStore,
     promptNumber?: number,
     discoveryTokens: number = 0,
-    overrideTimestampEpoch?: number
+    overrideTimestampEpoch?: number,
+    model?: string | null
   ): { observationIds: number[]; summaryId?: number; createdAtEpoch: number } {
     // Use override timestamp if provided
     const timestampEpoch = overrideTimestampEpoch ?? Date.now();
@@ -1783,8 +1788,8 @@ export class SessionStore {
       const obsStmt = this.db.prepare(`
         INSERT INTO observations
         (memory_session_id, project, type, title, subtitle, facts, narrative, concepts,
-         files_read, files_modified, prompt_number, discovery_tokens, created_at, created_at_epoch)
-        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+         files_read, files_modified, prompt_number, discovery_tokens, created_at, created_at_epoch, model)
+        VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
       `);
 
       for (const observation of observations) {
@@ -1802,7 +1807,8 @@ export class SessionStore {
           promptNumber || null,
           discoveryTokens,
           timestampIso,
-          timestampEpoch
+          timestampEpoch,
+          model || null
         );
         observationIds.push(Number(result.lastInsertRowid));
       }
@@ -1813,8 +1819,8 @@ export class SessionStore {
         const summaryStmt = this.db.prepare(`
           INSERT INTO session_summaries
           (memory_session_id, project, request, investigated, learned, completed,
-           next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch)
-          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+           next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch, model)
+          VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
         `);
 
         const result = summaryStmt.run(
@@ -1829,7 +1835,8 @@ export class SessionStore {
           promptNumber || null,
           discoveryTokens,
           timestampIso,
-          timestampEpoch
+          timestampEpoch,
+          model || null
         );
         summaryId = Number(result.lastInsertRowid);
       }

src/services/sqlite/migrations/runner.ts

@@ -34,6 +34,7 @@ export class MigrationRunner {
     this.addOnUpdateCascadeToForeignKeys();
     this.addObservationContentHashColumn();
     this.addSessionCustomTitleColumn();
+    this.addModelColumn();
   }
 
   /**
@@ -859,4 +860,27 @@ export class MigrationRunner {
 
     this.db.prepare('INSERT OR IGNORE INTO schema_versions (version, applied_at) VALUES (?, ?)').run(23, new Date().toISOString());
   }
+
+  /**
+   * Add model column to observations and session_summaries (migration 24)
+   * Records which AI model produced each observation/summary for comparison.
+   */
+  private addModelColumn(): void {
+    const applied = this.db.prepare('SELECT version FROM schema_versions WHERE version = ?').get(24) as SchemaVersion | undefined;
+    if (applied) return;
+
+    const obsInfo = this.db.query('PRAGMA table_info(observations)').all() as TableColumnInfo[];
+    if (!obsInfo.some(col => col.name === 'model')) {
+      this.db.run('ALTER TABLE observations ADD COLUMN model TEXT');
+      logger.debug('DB', 'Added model column to observations table');
+    }
+
+    const sumInfo = this.db.query('PRAGMA table_info(session_summaries)').all() as TableColumnInfo[];
+    if (!sumInfo.some(col => col.name === 'model')) {
+      this.db.run('ALTER TABLE session_summaries ADD COLUMN model TEXT');
+      logger.debug('DB', 'Added model column to session_summaries table');
+    }
+
+    this.db.prepare('INSERT OR IGNORE INTO schema_versions (version, applied_at) VALUES (?, ?)').run(24, new Date().toISOString());
+  }
 }

src/services/sqlite/observations/recent.ts

@@ -34,7 +34,7 @@ export function getAllRecentObservations(
   limit: number = 100
 ): AllRecentObservationRow[] {
   const stmt = db.prepare(`
-    SELECT id, type, title, subtitle, text, project, prompt_number, created_at, created_at_epoch
+    SELECT id, type, title, subtitle, text, project, prompt_number, created_at, created_at_epoch, model
     FROM observations
     ORDER BY created_at_epoch DESC
     LIMIT ?

src/services/sqlite/observations/store.ts

@@ -55,7 +55,8 @@ export function storeObservation(
   observation: ObservationInput,
   promptNumber?: number,
   discoveryTokens: number = 0,
-  overrideTimestampEpoch?: number
+  overrideTimestampEpoch?: number,
+  model?: string | null
 ): StoreObservationResult {
   // Use override timestamp if provided (for processing backlog messages with original timestamps)
   const timestampEpoch = overrideTimestampEpoch ?? Date.now();
@@ -75,8 +76,8 @@ export function storeObservation(
   const stmt = db.prepare(`
     INSERT INTO observations
     (memory_session_id, project, type, title, subtitle, facts, narrative, concepts,
-     files_read, files_modified, prompt_number, discovery_tokens, content_hash, created_at, created_at_epoch)
-    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+     files_read, files_modified, prompt_number, discovery_tokens, content_hash, created_at, created_at_epoch, model)
+    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
   `);
 
   const result = stmt.run(
@@ -94,7 +95,8 @@ export function storeObservation(
     discoveryTokens,
     contentHash,
     timestampIso,
-    timestampEpoch
+    timestampEpoch,
+    model || null
   );
 
   return {

src/services/sqlite/observations/types.ts

@@ -79,4 +79,5 @@ export interface AllRecentObservationRow {
   prompt_number: number | null;
   created_at: string;
   created_at_epoch: number;
+  model: string | null;
 }

src/services/sqlite/summaries/store.ts

@@ -24,7 +24,8 @@ export function storeSummary(
   summary: SummaryInput,
   promptNumber?: number,
   discoveryTokens: number = 0,
-  overrideTimestampEpoch?: number
+  overrideTimestampEpoch?: number,
+  model?: string | null
 ): StoreSummaryResult {
   // Use override timestamp if provided (for processing backlog messages with original timestamps)
   const timestampEpoch = overrideTimestampEpoch ?? Date.now();
@@ -33,8 +34,8 @@ export function storeSummary(
   const stmt = db.prepare(`
     INSERT INTO session_summaries
     (memory_session_id, project, request, investigated, learned, completed,
-     next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch)
-    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+     next_steps, notes, prompt_number, discovery_tokens, created_at, created_at_epoch, model)
+    VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
   `);
 
   const result = stmt.run(
@@ -49,7 +50,8 @@ export function storeSummary(
     promptNumber || null,
     discoveryTokens,
     timestampIso,
-    timestampEpoch
+    timestampEpoch,
+    model || null
   );
 
   return {

src/services/worker/PaginationHelper.ts

@@ -74,7 +74,7 @@ export class PaginationHelper {
   getObservations(offset: number, limit: number, project?: string): PaginatedResult<Observation> {
     const result = this.paginate<Observation>(
       'observations',
-      'id, memory_session_id, project, type, title, subtitle, narrative, text, facts, concepts, files_read, files_modified, prompt_number, created_at, created_at_epoch',
+      'id, memory_session_id, project, type, title, subtitle, narrative, text, facts, concepts, files_read, files_modified, prompt_number, created_at, created_at_epoch, model',
       offset,
       limit,
       project
@@ -104,7 +104,8 @@ export class PaginationHelper {
         ss.next_steps,
         ss.project,
         ss.created_at,
-        ss.created_at_epoch
+        ss.created_at_epoch,
+        ss.model
       FROM session_summaries ss
       JOIN sdk_sessions s ON ss.memory_session_id = s.memory_session_id
     `;

src/services/worker/agents/ResponseProcessor.ts

@@ -93,6 +93,10 @@ export async function processAgentResponse(
     memorySessionId: session.memorySessionId
   });
 
+  // Read the active model from settings for attribution
+  const settings = SettingsDefaultsManager.loadFromFile(USER_SETTINGS_PATH);
+  const activeModel = settings.CLAUDE_MEM_MODEL || null;
+
   // ATOMIC TRANSACTION: Store observations + summary ONCE
   // Messages are already deleted from queue on claim, so no completion tracking needed
   const result = sessionStore.storeObservations(
@@ -102,7 +106,8 @@ export async function processAgentResponse(
     summaryForStore,
     session.lastPromptNumber,
     discoveryTokens,
-    originalTimestamp ?? undefined
+    originalTimestamp ?? undefined,
+    activeModel
   );
 
   // Log storage result with IDs for end-to-end traceability

src/types/database.ts

@@ -74,6 +74,7 @@ export interface ObservationRecord {
   source_files?: string;
   prompt_number?: number;
   discovery_tokens?: number;
+  model?: string;
 }
 
 /**
@@ -92,6 +93,7 @@ export interface SessionSummaryRecord {
   created_at_epoch: number;
   prompt_number?: number;
   discovery_tokens?: number;
+  model?: string;
 }
 
 /**

src/ui/viewer-template.html

@@ -1043,6 +1043,17 @@
       color: var(--color-text-muted);
     }
 
+    /* Model badge styling */
+    .card-model {
+      font-size: 10px;
+      padding: 1px 6px;
+      border-radius: 3px;
+      background: var(--color-type-badge-bg);
+      color: var(--color-type-badge-text);
+      font-weight: 500;
+      opacity: 0.8;
+    }
+
     .summary-card {
       border-color: var(--color-border-summary);
       background: var(--color-bg-summary);

src/ui/viewer/components/ObservationCard.tsx

@@ -53,6 +53,9 @@ export function ObservationCard({ observation }: ObservationCardProps) {
             {observation.type}
           </span>
           <span className="card-project">{observation.project}</span>
+          {observation.model && (
+            <span className="card-model">{observation.model}</span>
+          )}
         </div>
         <div className="view-mode-toggles">
           {hasFactsContent && (

src/ui/viewer/components/SummaryCard.tsx

@@ -22,6 +22,9 @@ export function SummaryCard({ summary }: SummaryCardProps) {
         <div className="summary-badge-row">
           <span className="card-type summary-badge">Session Summary</span>
           <span className="summary-project-badge">{summary.project}</span>
+          {summary.model && (
+            <span className="card-model">{summary.model}</span>
+          )}
         </div>
         {summary.request && (
           <h2 className="summary-title">{summary.request}</h2>

src/ui/viewer/types.ts

@@ -12,6 +12,7 @@ export interface Observation {
   files_read: string | null;
   files_modified: string | null;
   prompt_number: number | null;
+  model: string | null;
   created_at: string;
   created_at_epoch: number;
 }
@@ -25,6 +26,7 @@ export interface Summary {
   learned?: string;
   completed?: string;
   next_steps?: string;
+  model?: string;
   created_at_epoch: number;
 }