feat: eliminate Python altimate-engine — all 73 methods native TypeScript

packages/opencode/package.json

@@ -72,6 +72,7 @@
     "@ai-sdk/togetherai": "1.0.34",
     "@ai-sdk/vercel": "1.0.33",
     "@ai-sdk/xai": "2.0.51",
+    "@altimateai/altimate-core": "0.2.3",
     "@aws-sdk/credential-providers": "3.993.0",
     "@clack/prompts": "1.0.0-alpha.1",
     "@gitlab/gitlab-ai-provider": "3.6.0",
@@ -129,6 +130,7 @@
     "web-tree-sitter": "0.25.10",
     "which": "6.0.1",
     "xdg-basedir": "5.1.0",
+    "yaml": "2.8.2",
     "yargs": "18.0.0",
     "zod": "catalog:",
     "zod-to-json-schema": "3.24.5"

packages/opencode/src/altimate/index.ts

@@ -1,10 +1,13 @@
 // Barrel export for all Altimate custom code
 
-// Bridge
+// Bridge (legacy — being replaced by native dispatcher)
 export { Bridge } from "./bridge/client"
 export { ensureEngine, enginePythonPath } from "./bridge/engine"
 export * from "./bridge/protocol"
 
+// Native dispatcher (new — Strangler Fig migration layer)
+export { Dispatcher } from "./native"
+
 // Telemetry
 export { Telemetry } from "./telemetry"