fix(cron): inject cloud-context warning when prompt refs localhost (#378)

Health Monitor cron job prompts reference 'Check Ollama' and
'localhost:11434' but run on cloud models (nous/mimo-v2-pro) that
cannot reach local services. The agent wastes iterations on doomed
localhost calls.

Fix: After resolving the runtime endpoint, detect local service
references in the prompt. When the endpoint is cloud (not local),
inject a SYSTEM NOTE telling the agent it cannot reach localhost
and to report the configuration issue instead.

Changes:
- cron/scheduler.py: Add re import, _LOCAL_SERVICE_PATTERNS,
  _detect_local_service_refs(), _inject_cloud_context(). Call
  _inject_cloud_context() after resolve_turn_route() in run_job.
- tests/test_cron_cloud_context.py: 15 tests covering pattern
  detection, cloud injection, local endpoint bypass.

Closes #378

tests/test_cron_cloud_context.py

@@ -0,0 +1,140 @@
+"""Tests for cron prompt cloud-context injection (#378).
+
+When a cron job prompt references localhost/Ollama but the runtime is a
+cloud endpoint, a SYSTEM NOTE warning must be injected so the agent reports
+the configuration issue instead of wasting iterations on doomed calls.
+"""
+
+import re
+import pytest
+
+# Mirror the patterns from cron/scheduler.py for isolated testing
+_LOCAL_SERVICE_PATTERNS = [
+    re.compile(r"localhost:\d+", re.IGNORECASE),
+    re.compile(r"127\.0\.0\.1:\d+", re.IGNORECASE),
+    re.compile(r"\bcheck\b.*\bollama\b", re.IGNORECASE),
+    re.compile(r"\bollama\b.*\brespond", re.IGNORECASE),
+    re.compile(r"\bcurl\b.*\blocal", re.IGNORECASE),
+    re.compile(r"\bcurl\b.*\b127\.", re.IGNORECASE),
+    re.compile(r"\bcurl\b.*\blocalhost", re.IGNORECASE),
+    re.compile(r"\bpolling\b.*\blocal", re.IGNORECASE),
+    re.compile(r"\bping\b.*\blocalhost", re.IGNORECASE),
+    re.compile(r"\bcheck.*\bservice\b.*\brespond", re.IGNORECASE),
+]
+
+
+def _detect_local_service_refs(prompt: str) -> list[str]:
+    matches = []
+    for pat in _LOCAL_SERVICE_PATTERNS:
+        found = pat.findall(prompt)
+        if found:
+            matches.extend(found[:2])
+    return matches
+
+
+def _is_local_endpoint(base_url: str) -> bool:
+    """Mirror agent.model_metadata.is_local_endpoint for test isolation."""
+    if not base_url:
+        return False
+    from urllib.parse import urlparse
+    parsed = urlparse(base_url)
+    host = (parsed.hostname or "").lower()
+    return host in ("localhost", "127.0.0.1", "0.0.0.0") or (
+        host.startswith("10.") or host.startswith("192.168.") or
+        any(host.startswith(f"172.{i}.") for i in range(16, 32))
+    )
+
+
+def _inject_cloud_context(prompt: str, base_url: str) -> str:
+    if _is_local_endpoint(base_url):
+        return prompt
+    refs = _detect_local_service_refs(prompt)
+    if not refs:
+        return prompt
+    refs_str = ", ".join(f"'{r}'" for r in refs[:5])
+    warning = (
+        "[SYSTEM NOTE: You are running on a cloud inference endpoint "
+        f"({base_url or 'cloud'}) which cannot reach localhost or local services. "
+        f"Your prompt references local services: {refs_str}. "
+        "You cannot curl/ping/SSH to localhost from this environment. "
+        "Report this as a configuration issue: the job should either be pinned "
+        "to a local provider (e.g. ollama at localhost:11434) or the prompt "
+        "should be rewritten to not assume local access. "
+        "Do NOT attempt localhost connections — report the limitation.]\n\n"
+    )
+    return warning + prompt
+
+
+class TestDetectLocalServiceRefs:
+    def test_localhost_port(self):
+        refs = _detect_local_service_refs("Check http://localhost:11434/health")
+        assert any("localhost:11434" in r for r in refs)
+
+    def test_127_port(self):
+        refs = _detect_local_service_refs("curl http://127.0.0.1:8080/api")
+        assert any("127.0.0.1:8080" in r for r in refs)
+
+    def test_check_ollama(self):
+        refs = _detect_local_service_refs("Check Ollama is responding on this host")
+        assert len(refs) > 0
+
+    def test_ollama_responding(self):
+        refs = _detect_local_service_refs("Verify that Ollama responding to requests")
+        assert len(refs) > 0
+
+    def test_curl_localhost(self):
+        refs = _detect_local_service_refs("curl localhost:11434/api/tags")
+        assert any("localhost:11434" in r for r in refs)
+
+    def test_ping_localhost(self):
+        refs = _detect_local_service_refs("ping localhost to check connectivity")
+        assert len(refs) > 0
+
+    def test_no_match_normal(self):
+        refs = _detect_local_service_refs("Check the weather in New York")
+        assert len(refs) == 0
+
+    def test_no_match_forge(self):
+        refs = _detect_local_service_refs("Check forge.alexanderwhitestone.com for issues")
+        assert len(refs) == 0
+
+
+class TestInjectCloudContext:
+    def test_injects_on_cloud_with_local_refs(self):
+        prompt = "Check Ollama is responding at localhost:11434"
+        result = _inject_cloud_context(prompt, "https://inference-api.nousresearch.com/v1")
+        assert "SYSTEM NOTE" in result
+        assert "cannot reach localhost" in result
+        assert "Check Ollama" in result
+
+    def test_no_inject_on_local_endpoint(self):
+        prompt = "Check Ollama is responding at localhost:11434"
+        result = _inject_cloud_context(prompt, "http://localhost:11434/v1")
+        assert "SYSTEM NOTE" not in result
+        assert result == prompt
+
+    def test_no_inject_without_local_refs(self):
+        prompt = "Check the forge for open issues"
+        result = _inject_cloud_context(prompt, "https://openrouter.ai/api/v1")
+        assert "SYSTEM NOTE" not in result
+
+    def test_injects_on_empty_url_with_refs(self):
+        prompt = "Check Ollama is responding"
+        result = _inject_cloud_context(prompt, "")
+        assert "SYSTEM NOTE" in result
+
+    def test_preserves_full_prompt(self):
+        prompt = "You are the Health Monitor. Check Ollama. Verify forge."
+        result = _inject_cloud_context(prompt, "https://api.anthropic.com")
+        assert "You are the Health Monitor" in result
+        assert "Verify forge" in result
+
+    def test_includes_provider_url(self):
+        prompt = "curl localhost:11434/api/tags"
+        result = _inject_cloud_context(prompt, "https://openrouter.ai/api/v1")
+        assert "openrouter.ai" in result
+
+    def test_rfc1918_treated_as_local(self):
+        prompt = "curl localhost:11434/api/tags"
+        result = _inject_cloud_context(prompt, "http://192.168.1.100:11434/v1")
+        assert result == prompt  # No injection — RFC-1918 is local