feat: add skills_api patch + apply_patch infra

patches/apply_patch.py

@@ -0,0 +1,47 @@
+"""
+Injeta `from skills_api import router as skills_router` + `app.include_router(...)`
+no api_server.py do Hermes durante o build da imagem.
+
+Idempotente: se o marcador já existir, não faz nada.
+"""
+from __future__ import annotations
+
+import sys
+from pathlib import Path
+
+MARKER = "# >>> hermes-custom: skills_api <<<"
+INJECT = f"""
+{MARKER}
+try:
+    from skills_api import router as _skills_router
+    app.include_router(_skills_router)
+    print("[hermes-custom] skills_api router registered", flush=True)
+except Exception as _e:
+    print(f"[hermes-custom] failed to register skills_api: {{_e}}", flush=True)
+# <<< hermes-custom: skills_api >>>
+"""
+
+
+def main(target: str) -> int:
+    p = Path(target)
+    if not p.exists():
+        print(f"[apply_patch] target not found: {target}", file=sys.stderr)
+        return 1
+
+    src = p.read_text(encoding="utf-8")
+    if MARKER in src:
+        print("[apply_patch] already applied, skipping")
+        return 0
+
+    # Procura a linha onde o `app = FastAPI(...)` é instanciado e injeta logo
+    # após o bloco de criação. Estratégia: anexa no final do arquivo — mais
+    # robusto contra mudanças upstream do que tentar achar a linha exata.
+    new_src = src.rstrip() + "\n\n" + INJECT + "\n"
+    p.write_text(new_src, encoding="utf-8")
+    print(f"[apply_patch] injected at offset {len(src)}")
+    return 0
+
+
+if __name__ == "__main__":
+    target = sys.argv[1] if len(sys.argv) > 1 else "/opt/hermes/gateway/platforms/api_server.py"
+    sys.exit(main(target))