Refactor model identifiers in coder and reviewer droids; add settings.json for configuration management

.factory/droids/coder.md

@@ -1,7 +1,7 @@
 ---
 name: coder
 description: Specialized for large code generation using GPT 5.3 Codex. Generates production-ready code based on detailed specifications.
-model: custom:Gpt-5.3-Codex-(BYOK)-3
+model: custom:Gpt-5.3-Codex
 tools: ["Read", "Edit", "Create", "ApplyPatch", "LS", "Grep", "Execute"]
 ---
 

.factory/droids/reviewer.md

@@ -1,7 +1,7 @@
 ---
 name: reviewer
 description: Critical code reviewer using Opus 4.6. Finds bugs, security issues, and logic errors. Never generates code - only critiques.
-model: custom:Opus-4.6-(BYOK)-2
+model: custom:Opus-4.6
 reasoningEffort: high
 tools: ["Read", "Execute"]
 ---