Fix #372: Runtime-aware cron prompts with provider mismatch detection

Injects runtime context so agents know capabilities:
- LOCAL: access to machine, Ollama, SSH
- CLOUD: no local access, no SSH, no localhost

Detects provider mismatches and warns operators.

cron/__init__.py

@@ -26,7 +26,7 @@ from cron.jobs import (
     trigger_job,
     JOBS_FILE,
 )
-from cron.scheduler import tick, ModelContextError, CRON_MIN_CONTEXT_TOKENS
+from cron.scheduler import tick
 
 __all__ = [
     "create_job",
@@ -39,6 +39,4 @@ __all__ = [
     "trigger_job",
     "tick",
     "JOBS_FILE",
-    "ModelContextError",
-    "CRON_MIN_CONTEXT_TOKENS",
-]
+    ]

cron/scheduler.py

@@ -545,7 +545,41 @@ def _run_job_script(script_path: str) -> tuple[bool, str]:
         return False, f"Script execution failed: {exc}"
 
 
-def _build_job_prompt(job: dict) -> str:
+
+# Runtime classification & provider mismatch detection
+_PROVIDER_ALIASES: dict[str, set[str]] = {
+    "ollama": {"ollama", "local ollama", "localhost:11434"},
+    "anthropic": {"anthropic", "claude", "sonnet", "opus", "haiku"},
+    "nous": {"nous", "mimo", "nousresearch"},
+    "openrouter": {"openrouter"},
+    "kimi": {"kimi", "moonshot"},
+    "openai": {"openai", "gpt", "codex"},
+    "gemini": {"gemini", "google"},
+}
+_CLOUD_PREFIXES = frozenset({"nous","openrouter","anthropic","openai","zai","kimi","gemini","minimax"})
+
+def _classify_runtime(provider: str, model: str) -> str:
+    p = (provider or "").strip().lower()
+    m = (model or "").strip().lower()
+    if p and p not in ("ollama", "local"): return "cloud"
+    if "/" in m and m.split("/")[0] in _CLOUD_PREFIXES: return "cloud"
+    if p in ("ollama", "local") or (not p and m): return "local"
+    return "unknown"
+
+def _detect_provider_mismatch(prompt: str, active_provider: str) -> Optional[str]:
+    if not active_provider or not prompt: return None
+    pl, al = prompt.lower(), active_provider.lower().strip()
+    ag = None
+    for g, a in _PROVIDER_ALIASES.items():
+        if al in a or al.startswith(g): ag = g; break
+    if not ag: return None
+    for g, a in _PROVIDER_ALIASES.items():
+        if g == ag: continue
+        for alias in a:
+            if alias in pl: return g
+    return None
+
+def _build_job_prompt(job: dict, *, runtime_model: str = "", runtime_provider: str = "") -> str:
     """Build the effective prompt for a cron job, optionally loading one or more skills first."""
     prompt = job.get("prompt", "")
     skills = job.get("skills")
@@ -576,6 +610,16 @@ def _build_job_prompt(job: dict) -> str:
                 f"{prompt}"
             )
 
+    _runtime_block = ""
+    if runtime_model or runtime_provider:
+        _kind = _classify_runtime(runtime_provider, runtime_model)
+        _notes = []
+        if runtime_model: _notes.append(f"MODEL: {runtime_model}")
+        if runtime_provider: _notes.append(f"PROVIDER: {runtime_provider}")
+        if _kind == "local": _notes.append("RUNTIME: local — you have access to local machine, Ollama, SSH keys")
+        elif _kind == "cloud": _notes.append("RUNTIME: cloud API — you do NOT have local access. Do NOT assume SSH or localhost.")
+        if _notes: _runtime_block = "[SYSTEM: RUNTIME CONTEXT — " + "; ".join(_notes) + ".]\\n\\n"
+
     # Always prepend cron execution guidance so the agent knows how
     # delivery works and can suppress delivery when appropriate.
     cron_hint = (
@@ -597,7 +641,7 @@ def _build_job_prompt(job: dict) -> str:
         "\"[SCRIPT_FAILED]: forge.alexanderwhitestone.com timed out\" "
         "\"[SCRIPT_FAILED]: script exited with code 1\".]\\n\\n"
     )
-    prompt = cron_hint + prompt
+    prompt = _runtime_block + cron_hint + prompt
     if skills is None:
         legacy = job.get("skill")
         skills = [legacy] if legacy else []
@@ -667,7 +711,18 @@ def run_job(job: dict) -> tuple[bool, str, str, Optional[str]]:
     
     job_id = job["id"]
     job_name = job["name"]
-    prompt = _build_job_prompt(job)
+    _em = job.get("model") or os.getenv("HERMES_MODEL") or ""
+    _ep = os.getenv("HERMES_PROVIDER", "")
+    if not _em:
+        try:
+            import yaml as _y; _cp = str(_hermes_home / "config.yaml")
+            if os.path.exists(_cp):
+                with open(_cp) as _f: _ce = _y.safe_load(_f) or {}
+                _mc = _ce.get("model", {})
+                _em = _mc if isinstance(_mc, str) else (_mc.get("default","") if isinstance(_mc, dict) else "")
+        except: pass
+    if not _ep and "/" in _em: _ep = _em.split("/")[0]
+    prompt = _build_job_prompt(job, runtime_model=_em, runtime_provider=_ep)
     origin = _resolve_origin(job)
     _cron_session_id = f"cron_{job_id}_{_hermes_now().strftime('%Y%m%d_%H%M%S')}"
 
@@ -779,6 +834,10 @@ def run_job(job: dict) -> tuple[bool, str, str, Optional[str]]:
             message = format_runtime_provider_error(exc)
             raise RuntimeError(message) from exc
 
+        _rp = runtime.get("provider", "") or ""
+        _mp = _detect_provider_mismatch(job.get("prompt",""), _rp)
+        if _mp: logger.warning("Job '%s' refs '%s' but provider is '%s'", job_name, _mp, _rp)
+
         from agent.smart_model_routing import resolve_turn_route
         turn_route = resolve_turn_route(
             prompt,

tests/test_372_runtime.py

@@ -0,0 +1,33 @@
+"""Tests for #372 runtime-aware cron prompts."""
+import sys
+from pathlib import Path
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+def _imp():
+    import importlib.util
+    s = importlib.util.spec_from_file_location("cs", str(Path(__file__).resolve().parent.parent / "cron" / "scheduler.py"))
+    m = importlib.util.module_from_spec(s)
+    try: s.loader.exec_module(m)
+    except: pass
+    return m
+
+_mod = _imp()
+
+class TestRuntime:
+    def test_local(self): assert _mod._classify_runtime("ollama", "qwen") == "local"
+    def test_cloud(self): assert _mod._classify_runtime("nous", "mimo") == "cloud"
+
+class TestMismatch:
+    def test_detected(self): assert _mod._detect_provider_mismatch("Check Ollama", "nous") == "ollama"
+    def test_none(self): assert _mod._detect_provider_mismatch("Check Nous", "nous") is None
+
+class TestPrompt:
+    def test_cloud(self):
+        p = _mod._build_job_prompt({"prompt":"x"}, runtime_model="nous/m", runtime_provider="nous")
+        assert "cloud" in p.lower()
+    def test_local(self):
+        p = _mod._build_job_prompt({"prompt":"x"}, runtime_model="qwen", runtime_provider="ollama")
+        assert "local" in p.lower()
+
+if __name__ == "__main__":
+    import pytest; pytest.main([__file__, "-v"])