Initial release: aircontext

scripts/core/backends/base.py

@@ -0,0 +1,19 @@
+"""Backend interface used by compactor.py."""
+from __future__ import annotations
+from typing import Protocol
+
+
+class CompressionBackend(Protocol):
+    def summarise(self, system_prompt: str, conversation_text: str) -> str: ...
+
+
+def build_backend(cfg: dict) -> CompressionBackend:
+    backend_cfg = cfg.get("backend") or {}
+    btype = backend_cfg.get("type", "openai_compat")
+    if btype == "openai_compat":
+        from .openai_compat import OpenAICompatibleBackend
+        return OpenAICompatibleBackend(backend_cfg)
+    if btype == "anthropic_native":
+        from .anthropic_native import AnthropicNativeBackend
+        return AnthropicNativeBackend(backend_cfg)
+    raise ValueError(f"Unsupported backend.type: {btype!r}")