Implement fin-hub T24-T26: ingest, runway, coupling, RaaS packaging

Add CSV importers, runway calculator, budget alerts, cross-hub coupling
emitters, finhub CLI, and raas-mvp-packaging docs with full test coverage.

src/fin_hub/coupling/dev_hub.py

@@ -0,0 +1,37 @@
+"""fin→dev: resource pressure signals to dev-hub (State Hub progress)."""
+
+from __future__ import annotations
+
+from typing import Any
+
+from hub_core.events import ALERT_RAISED
+
+from fin_hub.coupling.common import default_dev_hub_api_base, post_progress_event
+from fin_hub.services.alerts import BudgetAlert
+
+
+def emit_resource_pressure(
+    alerts: list[BudgetAlert],
+    *,
+    api_base: str | None = None,
+    domain_slug: str = "infotech",
+) -> list[dict[str, Any]]:
+    base = api_base or default_dev_hub_api_base()
+    emitted: list[dict[str, Any]] = []
+    for alert in alerts:
+        if alert.code not in {"budget_pressure", "runway_below_threshold"}:
+            continue
+        result = post_progress_event(
+            api_base=base,
+            event_type=ALERT_RAISED,
+            summary=f"[fin→dev:{domain_slug}] {alert.summary}",
+            detail={
+                "source_hub": "fin-hub",
+                "target_hub": "dev-hub",
+                "signal": "resource_pressure",
+                "alert": alert.as_dict(),
+            },
+            author="fin-hub",
+        )
+        emitted.append(result)
+    return emitted