feat: add kimi-for-coding provider to installer and fix model ID to k2p5

src/cli/model-fallback.test.ts

@@ -12,6 +12,7 @@ function createConfig(overrides: Partial<InstallConfig> = {}): InstallConfig {
     hasCopilot: false,
     hasOpencodeZen: false,
     hasZaiCodingPlan: false,
+    hasKimiForCoding: false,
     ...overrides,
   }
 }