feat(migration): add model version migration for gpt-5.2-codex and claude-opus-4-5

src/shared/migration.ts

@@ -89,6 +89,18 @@ export const MODEL_TO_CATEGORY_MAP: Record<string, string> = {
   "anthropic/claude-sonnet-4-5": "unspecified-low",
 }
 
+/**
+ * Model version migration map: old full model strings → new full model strings.
+ * Used to auto-upgrade hardcoded model versions in user configs when the plugin
+ * bumps to newer model versions.
+ *
+ * Keys are full "provider/model" strings. Only openai and anthropic entries needed.
+ */
+export const MODEL_VERSION_MAP: Record<string, string> = {
+  "openai/gpt-5.2-codex": "openai/gpt-5.3-codex",
+  "anthropic/claude-opus-4-5": "anthropic/claude-opus-4-6",
+}
+
 export function migrateAgentNames(agents: Record<string, unknown>): { migrated: Record<string, unknown>; changed: boolean } {
   const migrated: Record<string, unknown> = {}
   let changed = false
@@ -104,6 +116,25 @@ export function migrateAgentNames(agents: Record<string, unknown>): { migrated:
   return { migrated, changed }
 }
 
+export function migrateModelVersions(configs: Record<string, unknown>): { migrated: Record<string, unknown>; changed: boolean } {
+  const migrated: Record<string, unknown> = {}
+  let changed = false
+
+  for (const [key, value] of Object.entries(configs)) {
+    if (value && typeof value === "object" && !Array.isArray(value)) {
+      const config = value as Record<string, unknown>
+      if (typeof config.model === "string" && MODEL_VERSION_MAP[config.model]) {
+        migrated[key] = { ...config, model: MODEL_VERSION_MAP[config.model] }
+        changed = true
+        continue
+      }
+    }
+    migrated[key] = value
+  }
+
+  return { migrated, changed }
+}
+
 export function migrateHookNames(hooks: string[]): { migrated: string[]; changed: boolean; removed: string[] } {
   const migrated: string[] = []
   const removed: string[] = []
@@ -178,7 +209,25 @@ export function migrateConfigFile(configPath: string, rawConfig: Record<string,
     }
   }
 
+  // Migrate model versions in agents
+  if (rawConfig.agents && typeof rawConfig.agents === "object") {
+    const { migrated, changed } = migrateModelVersions(rawConfig.agents as Record<string, unknown>)
+    if (changed) {
+      rawConfig.agents = migrated
+      needsWrite = true
+      log(`Migrated model versions in agents config`)
+    }
+  }
 
+  // Migrate model versions in categories
+  if (rawConfig.categories && typeof rawConfig.categories === "object") {
+    const { migrated, changed } = migrateModelVersions(rawConfig.categories as Record<string, unknown>)
+    if (changed) {
+      rawConfig.categories = migrated
+      needsWrite = true
+      log(`Migrated model versions in categories config`)
+    }
+  }
 
   if (rawConfig.omo_agent) {
     rawConfig.sisyphus_agent = rawConfig.omo_agent