feat: Add Codex CLI provider with OAuth authentication (#1273)

Co-authored-by: Ralph Khreish <35776126+Crunchyman-ralph@users.noreply.github.com>

scripts/modules/supported-models.json

@@ -69,6 +69,30 @@
 			"supported": true
 		}
 	],
+	"codex-cli": [
+		{
+			"id": "gpt-5",
+			"swe_score": 0.749,
+			"cost_per_1m_tokens": {
+				"input": 0,
+				"output": 0
+			},
+			"allowed_roles": ["main", "fallback", "research"],
+			"max_tokens": 128000,
+			"supported": true
+		},
+		{
+			"id": "gpt-5-codex",
+			"swe_score": 0.749,
+			"cost_per_1m_tokens": {
+				"input": 0,
+				"output": 0
+			},
+			"allowed_roles": ["main", "fallback", "research"],
+			"max_tokens": 128000,
+			"supported": true
+		}
+	],
 	"mcp": [
 		{
 			"id": "mcp-sampling",