feat(sessions): support gemini resume command copy

Author: ymkiux

tests/unit/session-resume-command.test.mjs

@@ -14,6 +14,7 @@ test('isResumeCommandAvailable supports codex and codebuddy with sessionId', ()
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'codex', sessionId: 'sess-1' }), true);
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'codebuddy', sessionId: 'abc123' }), true);
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'gemini', sessionId: 'gm-123' }), true);
+    assert.strictEqual(methods.isResumeCommandAvailable({ source: 'gemini', sessionId: '', filePath: '/home/user/.gemini/tmp/abc/chats/gm-456.json' }), true);
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'codebuddy', sessionId: '' }), false);
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'claude', sessionId: 'sess-2' }), true);
     assert.strictEqual(methods.isResumeCommandAvailable({ source: 'claude', sessionId: '', filePath: '/home/user/.claude/projects/demo/sess-3.jsonl' }), true);
@@ -55,4 +56,9 @@ test('buildResumeCommand generates codex resume with optional --yolo, codebuddy
         methods.buildResumeCommand.call({ ...contextBase, sessionResumeWithYolo: true }, { source: 'claude', sessionId: '', filePath: '/home/user/.claude/projects/demo/sess-3.jsonl' }),
         'claude -r sess-3'
     );
+
+    assert.strictEqual(
+        methods.buildResumeCommand.call({ ...contextBase, sessionResumeWithYolo: true }, { source: 'gemini', sessionId: '', filePath: '/home/user/.gemini/tmp/abc/chats/gm-456.json' }),
+        'gemini -r gm-456'
+    );
 });

web-ui/modules/app.methods.session-actions.mjs

@@ -117,8 +117,11 @@ export function createSessionActionMethods(options = {}) {
             if (!session) return false;
             const source = String(session.source || '').trim().toLowerCase();
             const sessionId = typeof session.sessionId === 'string' ? session.sessionId.trim() : '';
+            const filePath = typeof session.filePath === 'string' ? session.filePath.trim() : '';
             if (source === 'claude') {
-                const filePath = typeof session.filePath === 'string' ? session.filePath.trim() : '';
+                return !!sessionId || !!this.extractClaudeResumeKeyFromFilePath(filePath);
+            }
+            if (source === 'gemini') {
                 return !!sessionId || !!this.extractClaudeResumeKeyFromFilePath(filePath);
             }
             return (source === 'codex' || source === 'codebuddy' || source === 'gemini') && !!sessionId;
@@ -170,7 +173,11 @@ export function createSessionActionMethods(options = {}) {
             const normalized = value.replace(/\\/g, '/');
             const base = normalized.split('/').pop() || '';
             if (!base) return '';
-            if (base.toLowerCase().endsWith('.jsonl')) {
+            const lower = base.toLowerCase();
+            if (lower.endsWith('.jsonl')) {
+                return base.slice(0, -5);
+            }
+            if (lower.endsWith('.json')) {
                 return base.slice(0, -5);
             }
             return base;