diff --git a/apps/frontend/src/main/ipc-handlers/context/memory-data-handlers.ts b/apps/frontend/src/main/ipc-handlers/context/memory-data-handlers.ts
index 302c5671..153bbeb0 100644
--- a/apps/frontend/src/main/ipc-handlers/context/memory-data-handlers.ts
+++ b/apps/frontend/src/main/ipc-handlers/context/memory-data-handlers.ts
@@ -31,8 +31,12 @@ export function loadFileBasedMemories(
 
   const recentSpecDirs = readdirSync(specsDir)
     .filter((f: string) => {
-      const specPath = path.join(specsDir, f);
-      return statSync(specPath).isDirectory();
+      try {
+        const specPath = path.join(specsDir, f);
+        return statSync(specPath).isDirectory();
+      } catch {
+        return false;
+      }
     })
     .sort()
     .reverse()
@@ -118,8 +122,12 @@ export function searchFileBasedMemories(
 
   const allSpecDirs = readdirSync(specsDir)
     .filter((f: string) => {
-      const specPath = path.join(specsDir, f);
-      return statSync(specPath).isDirectory();
+      try {
+        const specPath = path.join(specsDir, f);
+        return statSync(specPath).isDirectory();
+      } catch {
+        return false;
+      }
     });
 
   for (const specDir of allSpecDirs) {
diff --git a/apps/frontend/src/main/ipc-handlers/context/memory-status-handlers.ts b/apps/frontend/src/main/ipc-handlers/context/memory-status-handlers.ts
index 85c2f83c..019afbf9 100644
--- a/apps/frontend/src/main/ipc-handlers/context/memory-status-handlers.ts
+++ b/apps/frontend/src/main/ipc-handlers/context/memory-status-handlers.ts
@@ -34,8 +34,13 @@ export function loadGraphitiStateFromSpecs(
 
   const specDirs = readdirSync(specsDir)
     .filter((f: string) => {
-      const specPath = path.join(specsDir, f);
-      return statSync(specPath).isDirectory();
+      try {
+        const specPath = path.join(specsDir, f);
+        return statSync(specPath).isDirectory();
+      } catch {
+        // Directory was deleted or inaccessible - skip it
+        return false;
+      }
     })
     .sort()
     .reverse();
diff --git a/apps/frontend/src/main/memory-service.ts b/apps/frontend/src/main/memory-service.ts
index 00e88936..cde18fb4 100644
--- a/apps/frontend/src/main/memory-service.ts
+++ b/apps/frontend/src/main/memory-service.ts
@@ -203,6 +203,9 @@ async function executeQuery(
   const [pythonExe, baseArgs] = parsePythonCommand(pythonCmd);
 
   return new Promise((resolve) => {
+    // Promise guard flag to prevent double resolution
+    let resolved = false;
+
     const fullArgs = [...baseArgs, scriptPath, command, ...args];
 
     // Get Python environment (includes PYTHONPATH for bundled/venv packages)
@@ -227,7 +230,20 @@ async function executeQuery(
       stderr += data.toString('utf-8');
     });
 
+    // Single timeout mechanism to avoid race condition
+    const timeoutId = setTimeout(() => {
+      if (!resolved) {
+        resolved = true;
+        proc.kill();
+        resolve({ success: false, error: 'Query timed out' });
+      }
+    }, timeout);
+
     proc.on('close', (code) => {
+      if (resolved) return;
+      resolved = true;
+      clearTimeout(timeoutId);
+
       // The Python script outputs JSON to stdout (even for errors)
       // Always try to parse stdout first to get the actual error message
       if (stdout) {
@@ -254,14 +270,11 @@ async function executeQuery(
     });
 
     proc.on('error', (err) => {
+      if (resolved) return;
+      resolved = true;
+      clearTimeout(timeoutId);
       resolve({ success: false, error: err.message });
     });
-
-    // Handle timeout
-    setTimeout(() => {
-      proc.kill();
-      resolve({ success: false, error: 'Query timed out' });
-    }, timeout);
   });
 }
 
@@ -351,6 +364,9 @@ async function executeSemanticQuery(
   }
 
   return new Promise((resolve) => {
+    // Promise guard flag to prevent double resolution
+    let resolved = false;
+
     const fullArgs = [...baseArgs, scriptPath, 'semantic-search', ...args];
     const proc = spawn(pythonExe, fullArgs, {
       stdio: ['ignore', 'pipe', 'pipe'],
@@ -369,7 +385,20 @@ async function executeSemanticQuery(
       stderr += data.toString('utf-8');
     });
 
+    // Single timeout mechanism to avoid race condition
+    const timeoutId = setTimeout(() => {
+      if (!resolved) {
+        resolved = true;
+        proc.kill();
+        resolve({ success: false, error: 'Semantic search timed out' });
+      }
+    }, timeout);
+
     proc.on('close', (code) => {
+      if (resolved) return;
+      resolved = true;
+      clearTimeout(timeoutId);
+
       // The Python script outputs JSON to stdout (even for errors)
       if (stdout) {
         try {
@@ -393,13 +422,11 @@ async function executeSemanticQuery(
     });
 
     proc.on('error', (err) => {
+      if (resolved) return;
+      resolved = true;
+      clearTimeout(timeoutId);
       resolve({ success: false, error: err.message });
     });
-
-    setTimeout(() => {
-      proc.kill();
-      resolve({ success: false, error: 'Semantic search timed out' });
-    }, timeout);
   });
 }
 
diff --git a/apps/frontend/src/renderer/App.tsx b/apps/frontend/src/renderer/App.tsx
index e21922b1..76b110aa 100644
--- a/apps/frontend/src/renderer/App.tsx
+++ b/apps/frontend/src/renderer/App.tsx
@@ -38,6 +38,7 @@ import { Roadmap } from './components/Roadmap';
 import { Context } from './components/Context';
 import { Ideation } from './components/Ideation';
 import { Insights } from './components/Insights';
+import { ErrorBoundary } from './components/ui/error-boundary';
 import { GitHubIssues } from './components/GitHubIssues';
 import { GitLabIssues } from './components/GitLabIssues';
 import { GitHubPRs } from './components/github-prs';
@@ -895,7 +896,9 @@ export function App() {
                   <Roadmap projectId={activeProjectId || selectedProjectId!} onGoToTask={handleGoToTask} />
                 )}
                 {activeView === 'context' && (activeProjectId || selectedProjectId) && (
-                  <Context projectId={activeProjectId || selectedProjectId!} />
+                  <ErrorBoundary>
+                    <Context projectId={activeProjectId || selectedProjectId!} />
+                  </ErrorBoundary>
                 )}
                 {activeView === 'ideation' && (activeProjectId || selectedProjectId) && (
                   <Ideation projectId={activeProjectId || selectedProjectId!} onGoToTask={handleGoToTask} />
diff --git a/apps/frontend/src/renderer/components/context/MemoryCard.tsx b/apps/frontend/src/renderer/components/context/MemoryCard.tsx
index 4a9d0268..46260083 100644
--- a/apps/frontend/src/renderer/components/context/MemoryCard.tsx
+++ b/apps/frontend/src/renderer/components/context/MemoryCard.tsx
@@ -276,7 +276,9 @@ export function MemoryCard({ memory }: MemoryCardProps) {
                 <SectionHeader icon={Sparkles} title="Patterns" count={parsed.discoveries.patterns_discovered.length} />
                 <div className="flex flex-wrap gap-2 pl-4">
                   {parsed.discoveries.patterns_discovered.map((pattern, idx) => {
-                    const text = typeof pattern === 'string' ? pattern : pattern.pattern;
+                    const text = typeof pattern === 'string'
+                      ? pattern
+                      : (pattern?.pattern || pattern?.applies_to || JSON.stringify(pattern));
                     return text ? (
                       <Badge key={idx} variant="secondary" className="text-xs">
                         {text}
@@ -293,7 +295,9 @@ export function MemoryCard({ memory }: MemoryCardProps) {
                 <SectionHeader icon={AlertTriangle} title="Gotchas" count={parsed.discoveries.gotchas_discovered.length} />
                 <ul className="space-y-0.5">
                   {parsed.discoveries.gotchas_discovered.map((gotcha, idx) => {
-                    const text = typeof gotcha === 'string' ? gotcha : gotcha.gotcha;
+                    const text = typeof gotcha === 'string'
+                      ? gotcha
+                      : (gotcha?.gotcha || JSON.stringify(gotcha));
                     return text ? (
                       <ListItem key={idx} variant="error">{text}</ListItem>
                     ) : null;