feat: upgrade codex to gpt-5.3 with xhigh reasoning effort

Use -c model_reasoning_effort="xhigh" flag to enable extended
reasoning for Codex reviews and consultations.

Author: caiopizzol

README.md

@@ -64,8 +64,8 @@ bun run unregister
     "codex": {
       "enabled": true,
       "scope": ["review", "consult"],
-      "command": "codex exec --full-auto -",
-      "model": "gpt-5.2-codex",
+      "command": "codex exec --full-auto -m gpt-5.3-codex -c model_reasoning_effort=\"xhigh\" -",
+      "model": "gpt-5.3-codex",
       "description": "OpenAI Codex CLI"
     },
     "claude-opus": {
@@ -119,7 +119,7 @@ Review results are saved as JSON files containing raw model outputs, timestamps,
 
 | Tool    | Models                                                                                                                         | Documentation                                                  |
 | ------- | ------------------------------------------------------------------------------------------------------------------------------ | -------------------------------------------------------------- |
-| Codex   | `gpt-5.2-codex`, `gpt-5.1-codex-mini`, `gpt-5.1-codex-max`, `gpt-5.2`                                                          | [Codex Models](https://developers.openai.com/codex/models/)    |
+| Codex   | `gpt-5.3-codex`, `gpt-5.2-codex`, `gpt-5.1-codex-mini`, `gpt-5.1-codex-max`                                                    | [Codex Models](https://developers.openai.com/codex/models/)    |
 | Claude  | `opus`, `sonnet`, `haiku` (aliases) or full names like `claude-opus-4-5-20251101`                                              | [CLI Reference](https://code.claude.com/docs/en/cli-reference) |
 | Gemini  | `gemini-2.5-pro`, `gemini-2.5-flash`, `gemini-3-pro-preview`, `gemini-3-flash-preview`                                         | [Gemini CLI](https://geminicli.com/docs/cli/model/)            |
 | Qwen    | `coder-model` (default), `vision-model`                                                                                        | [Qwen Code Docs](https://qwenlm.github.io/qwen-code-docs/)     |

config/tools.example.json

@@ -8,8 +8,8 @@
 		"codex": {
 			"enabled": true,
 			"scope": ["review", "consult"],
-			"command": "codex exec --full-auto -m gpt-5.2-codex -",
-			"model": "gpt-5.2-codex",
+			"command": "codex exec --full-auto -m gpt-5.3-codex -c model_reasoning_effort=\"xhigh\" -",
+			"model": "gpt-5.3-codex",
 			"description": "OpenAI Codex CLI"
 		},
 		"claude-opus": {

tests/README.md

@@ -57,7 +57,7 @@ bun run test:live
 
 **Environment variables:**
 
-- `MODEL_CODEX` - Override codex model (default: `gpt-5.2-codex`)
+- `MODEL_CODEX` - Override codex model (default: `gpt-5.3-codex`)
 - `MODEL_CLAUDE` - Override claude model (default: `sonnet`)
 
 **Exit codes:**
@@ -83,7 +83,7 @@ bun run test:models
 
 | Tool    | Models                                                                                 |
 | ------- | -------------------------------------------------------------------------------------- |
-| Codex   | `gpt-5.2-codex`, `gpt-5.1-codex-mini`, `gpt-5.1-codex-max`, `gpt-5.2`                  |
+| Codex   | `gpt-5.3-codex`, `gpt-5.2-codex`, `gpt-5.1-codex-mini`, `gpt-5.1-codex-max`            |
 | Claude  | `opus`, `sonnet`, `haiku`                                                              |
 | Gemini  | `gemini-2.5-pro`, `gemini-2.5-flash`, `gemini-3-pro-preview`, `gemini-3-flash-preview` |
 | Qwen    | `coder-model`, `vision-model`                                                          |

tests/cli-models.sh

@@ -89,10 +89,10 @@ echo ""
 
 # Codex models (4)
 echo "--- Codex ---"
+test_model "codex" "gpt-5.3-codex" "codex exec --full-auto -m gpt-5.3-codex -" true
 test_model "codex" "gpt-5.2-codex" "codex exec --full-auto -m gpt-5.2-codex -" true
 test_model "codex" "gpt-5.1-codex-mini" "codex exec --full-auto -m gpt-5.1-codex-mini -" true
 test_model "codex" "gpt-5.1-codex-max" "codex exec --full-auto -m gpt-5.1-codex-max -" true
-test_model "codex" "gpt-5.2" "codex exec --full-auto -m gpt-5.2 -" true
 echo ""
 
 # Claude models (3)