Add pipeline engine and remove legacy compatibility paths

pipelines.example.py

@@ -0,0 +1,50 @@
+import json
+
+
+CONTEXT_PROMPT = (
+    "Return a concise plain-text context hint (max 12 words) "
+    "for the transcript domain and style."
+)
+
+AMANUENSIS_PROMPT = (
+    "Rewrite the transcript into clean prose without changing intent. "
+    "Return only the final text."
+)
+
+
+def default_pipeline(audio, lib) -> str:
+    text = lib.transcribe(audio)
+    if not text:
+        return ""
+
+    context = lib.llm(
+        system_prompt=CONTEXT_PROMPT,
+        user_prompt=json.dumps({"transcript": text}, ensure_ascii=False),
+        llm_opts={"temperature": 0.0},
+    ).strip()
+
+    output = lib.llm(
+        system_prompt=AMANUENSIS_PROMPT,
+        user_prompt=json.dumps(
+            {"transcript": text, "context": context},
+            ensure_ascii=False,
+        ),
+        llm_opts={"temperature": 0.0},
+    )
+    return output.strip()
+
+
+def caps_pipeline(audio, lib) -> str:
+    return lib.transcribe(audio).upper()
+
+
+HOTKEY_PIPELINES = {
+    "Super+m": default_pipeline,
+    "Super+Shift+m": caps_pipeline,
+}
+
+
+PIPELINE_OPTIONS = {
+    "Super+m": {"failure_policy": "best_effort"},
+    "Super+Shift+m": {"failure_policy": "strict"},
+}