fix(cron): runtime-aware prompts + provider mismatch detection (#372)

After provider migration (Ollama -> Nous/mimo-v2-pro), cron jobs with
provider-specific prompts ran on the wrong provider without knowing it.
Health Monitor checked local Ollama from cloud, nightwatch tried SSH
from cloud API, vision jobs ran on providers without vision support.

Changes to cron/scheduler.py:

1. _classify_runtime(provider, model) -> 'local'|'cloud'|'unknown'
   Determines whether the job has local machine access (SSH, Ollama,
   filesystem) or is on a cloud API with no local capabilities.

2. _PROVIDER_ALIASES + _detect_provider_mismatch(prompt, active_provider)
   Detects when a job's prompt references a provider different from the
   active one (e.g. 'ollama' in prompt when running on 'nous'). Logs
   a warning so operators know which prompts need updating.

3. _build_job_prompt() now accepts runtime_model/runtime_provider
   When known, injects a [SYSTEM: RUNTIME CONTEXT] block before the
   cron hint:
   - Local: 'you have access to local machine, Ollama, SSH keys'
   - Cloud: 'you do NOT have local machine access. Do NOT SSH, etc.'

4. run_job() early model resolution
   Resolves model/provider from job override -> HERMES_MODEL env ->
   config.yaml model.default, derives provider from model prefix.
   Builds prompt with runtime context before the full provider
   resolution happens later.

5. Mismatch warning after full provider resolution
   After resolve_runtime_provider(), compares the resolved provider
   against prompt content and logs mismatches.

Supersedes #403 (early resolution only) and #427 (mismatch detection
only). Combines both approaches with local/cloud capability awareness.

Closes #372

cron/scheduler.py

@@ -544,8 +544,78 @@ def _run_job_script(script_path: str) -> tuple[bool, str]:
         return False, f"Script execution failed: {exc}"
 
 
-def _build_job_prompt(job: dict) -> str:
-    """Build the effective prompt for a cron job, optionally loading one or more skills first."""
+# ---------------------------------------------------------------------------
+# 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", "kimi-coding"},
+    "zai":        {"zai", "glm", "zhipu"},
+    "openai":     {"openai", "gpt", "codex"},
+    "gemini":     {"gemini", "google"},
+}
+
+
+def _classify_runtime(provider: str, model: str) -> str:
+    """Return 'local' | 'cloud' | 'unknown' for a provider/model pair."""
+    p = (provider or "").strip().lower()
+    m = (model or "").strip().lower()
+    # Explicit cloud providers or prefixed model names → cloud
+    if p and p not in ("ollama", "local"):
+        return "cloud"
+    if "/" in m and m.split("/")[0] in ("nous", "openrouter", "anthropic", "openai", "zai", "kimi", "gemini", "minimax"):
+        return "cloud"
+    # Ollama / local / empty provider with non-prefixed model → local
+    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]:
+    """Return the stale provider group referenced in *prompt*, or None."""
+    if not active_provider or not prompt:
+        return None
+    prompt_lower = prompt.lower()
+    active_lower = active_provider.lower().strip()
+    # Find active group
+    active_group: Optional[str] = None
+    for group, aliases in _PROVIDER_ALIASES.items():
+        if active_lower in aliases or active_lower.startswith(group):
+            active_group = group
+            break
+    if not active_group:
+        return None
+    # Check for references to a different group
+    for group, aliases in _PROVIDER_ALIASES.items():
+        if group == active_group:
+            continue
+        for alias in aliases:
+            if alias in prompt_lower:
+                return group
+    return None
+
+
+# ---------------------------------------------------------------------------
+# Prompt builder
+# ---------------------------------------------------------------------------
+
+def _build_job_prompt(
+    job: dict,
+    *,
+    runtime_model: str = "",
+    runtime_provider: str = "",
+) -> str:
+    """Build the effective prompt for a cron job.
+
+    Args:
+        job: The cron job dict.
+        runtime_model: Resolved model name (e.g. "xiaomi/mimo-v2-pro").
+        runtime_provider: Resolved provider name (e.g. "nous", "openrouter").
+    """
     prompt = job.get("prompt", "")
     skills = job.get("skills")
 
@@ -577,6 +647,36 @@ def _build_job_prompt(job: dict) -> str:
 
     # Always prepend cron execution guidance so the agent knows how
     # delivery works and can suppress delivery when appropriate.
+    #
+    # Runtime context injection — tells the agent what it can actually do.
+    # Prevents prompts written for local Ollama from assuming SSH / local
+    # services when the job is now running on a cloud API.
+    _runtime_block = ""
+    if runtime_model or runtime_provider:
+        _kind = _classify_runtime(runtime_provider, runtime_model)
+        _notes: list[str] = []
+        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 the local machine, "
+                "local Ollama, SSH keys, and filesystem"
+            )
+        elif _kind == "cloud":
+            _notes.append(
+                "RUNTIME: cloud API — you do NOT have local machine access. "
+                "Do NOT assume you can SSH into servers, check local Ollama, "
+                "or access local filesystem paths. Use terminal tools only "
+                "for commands that work from this environment."
+            )
+        if _notes:
+            _runtime_block = (
+                "[SYSTEM: RUNTIME CONTEXT — "
+                + "; ".join(_notes)
+                + ". Adjust your approach based on these capabilities.]\\n\\n"
+            )
     cron_hint = (
         "[SYSTEM: You are running as a scheduled cron job. "
         "DELIVERY: Your final response will be automatically delivered "
@@ -596,7 +696,7 @@ 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 []
@@ -666,7 +766,36 @@ def run_job(job: dict) -> tuple[bool, str, str, Optional[str]]:
     
     job_id = job["id"]
     job_name = job["name"]
-    prompt = _build_job_prompt(job)
+
+    # ── Early model/provider resolution ───────────────────────────────────
+    # We need the model name before building the prompt so the runtime
+    # context block can be injected.  Full provider resolution happens
+    # later (smart routing, etc.) but the basic name is enough here.
+    _early_model = job.get("model") or os.getenv("HERMES_MODEL") or ""
+    _early_provider = os.getenv("HERMES_PROVIDER", "")
+    if not _early_model:
+        try:
+            import yaml
+            _cfg_path = str(_hermes_home / "config.yaml")
+            if os.path.exists(_cfg_path):
+                with open(_cfg_path) as _f:
+                    _cfg_early = yaml.safe_load(_f) or {}
+                _mc = _cfg_early.get("model", {})
+                if isinstance(_mc, str):
+                    _early_model = _mc
+                elif isinstance(_mc, dict):
+                    _early_model = _mc.get("default", "")
+        except Exception:
+            pass
+    # Derive provider from model prefix when not explicitly set
+    if not _early_provider and "/" in _early_model:
+        _early_provider = _early_model.split("/")[0]
+
+    prompt = _build_job_prompt(
+        job,
+        runtime_model=_early_model,
+        runtime_provider=_early_provider,
+    )
     origin = _resolve_origin(job)
     _cron_session_id = f"cron_{job_id}_{_hermes_now().strftime('%Y%m%d_%H%M%S')}"
 
@@ -762,6 +891,20 @@ def run_job(job: dict) -> tuple[bool, str, str, Optional[str]]:
             message = format_runtime_provider_error(exc)
             raise RuntimeError(message) from exc
 
+        # ── Provider mismatch warning ─────────────────────────────────
+        # If the job prompt references a provider different from the one
+        # we actually resolved, warn so operators know which prompts are stale.
+        _resolved_provider = runtime.get("provider", "") or ""
+        _raw_prompt = job.get("prompt", "")
+        _mismatch = _detect_provider_mismatch(_raw_prompt, _resolved_provider)
+        if _mismatch:
+            logger.warning(
+                "Job '%s' prompt references '%s' but active provider is '%s' — "
+                "agent will be told to adapt via runtime context. "
+                "Consider updating this job's prompt.",
+                job_name, _mismatch, _resolved_provider,
+            )
+
         from agent.smart_model_routing import resolve_turn_route
         turn_route = resolve_turn_route(
             prompt,

tests/test_cron_provider_mismatch.py

@@ -0,0 +1,129 @@
+"""Tests for cron scheduler: provider mismatch detection, runtime classification,
+and capability-aware prompt building."""
+
+import sys
+from pathlib import Path
+
+sys.path.insert(0, str(Path(__file__).resolve().parent.parent))
+
+
+def _import_scheduler():
+    """Import the scheduler module, bypassing __init__.py re-exports that may
+    reference symbols not yet merged upstream."""
+    import importlib.util
+    spec = importlib.util.spec_from_file_location(
+        "cron.scheduler", str(Path(__file__).resolve().parent.parent / "cron" / "scheduler.py"),
+    )
+    mod = importlib.util.module_from_spec(spec)
+    try:
+        spec.loader.exec_module(mod)
+    except Exception:
+        pass  # some top-level imports may fail in CI; functions are still defined
+    return mod
+
+
+_sched = _import_scheduler()
+_classify_runtime = _sched._classify_runtime
+_detect_provider_mismatch = _sched._detect_provider_mismatch
+_build_job_prompt = _sched._build_job_prompt
+
+
+# ── _classify_runtime ─────────────────────────────────────────────────────
+
+class TestClassifyRuntime:
+    def test_ollama_is_local(self):
+        assert _classify_runtime("ollama", "qwen2.5:7b") == "local"
+
+    def test_empty_provider_is_local(self):
+        assert _classify_runtime("", "my-local-model") == "local"
+
+    def test_prefixed_model_is_cloud(self):
+        assert _classify_runtime("", "nous/mimo-v2-pro") == "cloud"
+
+    def test_nous_provider_is_cloud(self):
+        assert _classify_runtime("nous", "mimo-v2-pro") == "cloud"
+
+    def test_openrouter_is_cloud(self):
+        assert _classify_runtime("openrouter", "anthropic/claude-sonnet-4") == "cloud"
+
+    def test_empty_both_is_unknown(self):
+        assert _classify_runtime("", "") == "unknown"
+
+
+# ── _detect_provider_mismatch ─────────────────────────────────────────────
+
+class TestDetectProviderMismatch:
+    def test_no_mismatch_when_not_mentioned(self):
+        assert _detect_provider_mismatch("Check system health", "nous") is None
+
+    def test_detects_ollama_when_nous_active(self):
+        assert _detect_provider_mismatch("Check Ollama is responding", "nous") == "ollama"
+
+    def test_detects_anthropic_when_nous_active(self):
+        assert _detect_provider_mismatch("Use Claude to analyze", "nous") == "anthropic"
+
+    def test_no_mismatch_same_provider(self):
+        assert _detect_provider_mismatch("Check Ollama models", "ollama") is None
+
+    def test_empty_prompt(self):
+        assert _detect_provider_mismatch("", "nous") is None
+
+    def test_empty_provider(self):
+        assert _detect_provider_mismatch("Check Ollama", "") is None
+
+    def test_detects_kimi_when_openrouter(self):
+        assert _detect_provider_mismatch("Use Kimi for coding", "openrouter") == "kimi"
+
+    def test_detects_glm_when_nous(self):
+        assert _detect_provider_mismatch("Use GLM for analysis", "nous") == "zai"
+
+
+# ── _build_job_prompt ─────────────────────────────────────────────────────
+
+class TestBuildJobPrompt:
+    def _job(self, prompt="Do something"):
+        return {"prompt": prompt, "skills": []}
+
+    def test_no_runtime_no_block(self):
+        result = _build_job_prompt(self._job())
+        assert "Do something" in result
+        assert "RUNTIME CONTEXT" not in result
+
+    def test_cloud_runtime_injected(self):
+        result = _build_job_prompt(
+            self._job(),
+            runtime_model="xiaomi/mimo-v2-pro",
+            runtime_provider="nous",
+        )
+        assert "MODEL: xiaomi/mimo-v2-pro" in result
+        assert "PROVIDER: nous" in result
+        assert "cloud API" in result
+        assert "Do NOT assume you can SSH" in result
+
+    def test_local_runtime_injected(self):
+        result = _build_job_prompt(
+            self._job(),
+            runtime_model="qwen2.5:7b",
+            runtime_provider="ollama",
+        )
+        assert "RUNTIME: local" in result
+        assert "SSH keys" in result
+
+    def test_empty_runtime_no_block(self):
+        result = _build_job_prompt(self._job(), runtime_model="", runtime_provider="")
+        assert "RUNTIME CONTEXT" not in result
+
+    def test_cron_hint_always_present(self):
+        result = _build_job_prompt(self._job())
+        assert "scheduled cron job" in result
+        assert "[SYSTEM:" in result
+
+    def test_runtime_block_before_cron_hint(self):
+        result = _build_job_prompt(
+            self._job("Check Ollama"),
+            runtime_model="mimo-v2-pro",
+            runtime_provider="nous",
+        )
+        runtime_pos = result.index("RUNTIME CONTEXT")
+        cron_pos = result.index("scheduled cron job")
+        assert runtime_pos < cron_pos