diff --git a/.github/workflows/ai-review-claude.yml b/.github/workflows/ai-review-claude.yml
index 1924809..e3e8b96 100644
--- a/.github/workflows/ai-review-claude.yml
+++ b/.github/workflows/ai-review-claude.yml
@@ -16,7 +16,7 @@ on:
         description: 'Maximum agentic turns'
         required: false
         type: number
-        default: 30
+        default: 35
       prompt:
         description: 'Custom review prompt (overrides prompt file if provided)'
         required: false
@@ -104,8 +104,11 @@ jobs:
 
             Output your review findings in markdown format. Do NOT post a PR comment yourself - just output the review content.
 
+      # always(): a run that hits --max-turns fails the step above, and without
+      # this the review it already wrote is thrown away and the PR just gets a
+      # red check with no comment.
       - name: Post review comment
-        if: steps.claude-review.outputs.execution_file != ''
+        if: always() && steps.claude-review.outputs.execution_file != ''
         uses: actions/github-script@v7
         env:
           EXECUTION_FILE: ${{ steps.claude-review.outputs.execution_file }}
@@ -127,13 +130,27 @@ jobs:
             const data = JSON.parse(fs.readFileSync(execFile, 'utf8'));
             // Find the result message (last message with type "result")
             const resultMsg = data.filter(m => m.type === 'result').pop();
-            const review = resultMsg?.result || '';
+            let review = resultMsg?.result || '';
+            let note = '';
+
+            // A failed run (error_max_turns, API error) carries no `result`, so
+            // fall back to the last thing Claude wrote and flag it as partial.
+            if (review.trim() === '') {
+              const texts = data
+                .filter(m => m.type === 'assistant')
+                .flatMap(m => (m.message?.content || [])
+                  .filter(c => c.type === 'text')
+                  .map(c => c.text || ''));
+              review = texts.pop() || '';
+              const reason = resultMsg?.errors?.join('; ') || resultMsg?.subtype || 'run did not finish';
+              note = `\n\n> Partial review: ${reason}.`;
+            }
 
             if (review && review.trim() !== '') {
               await github.rest.issues.createComment({
                 owner: context.repo.owner,
                 repo: context.repo.repo,
                 issue_number: context.payload.pull_request?.number || context.payload.issue?.number,
-                body: `## 🤖 Claude Code Review\n\n${review}\n\n---\n*Automated review by Claude (Anthropic) · ${model}${customPrompt}*`
+                body: `## 🤖 Claude Code Review\n\n${review}${note}\n\n---\n*Automated review by Claude (Anthropic) · ${model}${customPrompt}*`
               });
             }
diff --git a/.github/workflows/ai-review-codex.yml b/.github/workflows/ai-review-codex.yml
index b765512..60090fd 100644
--- a/.github/workflows/ai-review-codex.yml
+++ b/.github/workflows/ai-review-codex.yml
@@ -16,7 +16,7 @@ on:
         description: 'Codex model to use'
         required: false
         type: string
-        default: 'gpt-5.4'
+        default: 'gpt-5.6-terra'
       safety_strategy:
         description: 'Codex safety strategy (drop-sudo, permissive, etc.)'
         required: false
@@ -49,6 +49,18 @@ jobs:
           fetch-depth: 0
           ref: ${{ github.event.pull_request.head.sha || format('refs/pull/{0}/head', github.event.issue.number) }}
 
+      # Codex runs with --sandbox workspace-write, which keeps .git read-only.
+      # checkout leaves LFS-tracked files as pointers, so in repos that use LFS
+      # every git command runs the LFS filters, which write to .git/lfs/tmp and
+      # fail with "read-only file system" (exit 128). Detach the filters here,
+      # outside the sandbox; the review only needs to read files.
+      - name: Detach git LFS filters
+        run: git lfs uninstall --local || true
+
+      # Without it, codex logs a warning and falls back to its bundled copy.
+      - name: Install bubblewrap
+        run: sudo apt-get update -qq && sudo apt-get install -y -qq bubblewrap
+
       - name: Load prompt
         id: prompt
         run: |
diff --git a/README.md b/README.md
index 5dd6827..7ad4625 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Automated PR code review using various AI providers. Each workflow posts review
 | Workflow | Provider | Model |
 |----------|----------|-------|
 | `ai-review-kimi.yml` | [Moonshot AI](https://platform.moonshot.ai/) | kimi-k2.5 |
-| `ai-review-codex.yml` | [OpenAI](https://platform.openai.com/) | gpt-5.4 |
+| `ai-review-codex.yml` | [OpenAI](https://platform.openai.com/) | gpt-5.6-terra |
 | `ai-review-claude.yml` | [Anthropic](https://console.anthropic.com/) | sonnet |
 
 ### Quick Start
@@ -104,7 +104,7 @@ jobs:
     secrets:
       OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
     with:
-      model: 'gpt-5.4'                # Codex model
+      model: 'gpt-5.6-terra'          # Codex model
       safety_strategy: 'drop-sudo'    # Codex safety strategy
       prompt: ''                       # Custom prompt (overrides prompt file)
 ```
@@ -119,7 +119,7 @@ jobs:
       ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
     with:
       model: 'sonnet'                 # sonnet, opus, or haiku
-      max_turns: 30                   # Max agentic turns
+      max_turns: 35                   # Max agentic turns
       allowed_tools: '...'            # Allowed Claude tools
       prompt: ''                       # Custom prompt (overrides prompt file)
 ```