fix(lanes): revive dead detect rules and stop alias-blind detection badges

Two defects that made the 16-node ship-feature pipeline look like stage
detection was broken:

- stage-detect matched each rule against a JOIN of the tool input's
  identifying fields. An Agent event really carries description + prompt +
  subagent_type, so `^Explore$` (intake) and `^Plan$` (plan) could never
  fire and both nodes shipped inert — the map jumped straight to
  `implementing`. Rules are now tested one field at a time, which also
  stops a rule matching across the seam between two unrelated fields.

- `detectionLeadsDeclaration` (bin/ccam.js) and `detectionLeads`
  (LaneStripCard.tsx) located the declaration with `indexOf(lane.stage)`.
  Most of what the skill declares is an ALIAS (`tests`, `booting`, `ship`,
  `gate-blocked`), which is not a node id, so indexOf answered -1 and every
  detection — however far behind — was badged as leading. Both now use the
  node the server already resolved it onto (`state === "current"`).

server 1346/1346, client 447/447.

client/src/components/lanes/LaneStripCard.tsx

@@ -17,11 +17,22 @@ const LIVENESS_DOT: Record<Lane["liveness"], string> = {
   dead: "bg-status-danger",
 };
 
-/** Whether the inferred stage sits ahead of the declared one in node order. */
+/**
+ * Whether the inferred stage sits ahead of the declared one in node order.
+ *
+ * The declaration is located by the node the server resolved it onto (`state
+ * === "current"`), not by `indexOf(lane.stage)`: a stage declared under an
+ * ALIAS (`tests`, `booting`, `ship` — most of what the ship-feature skill
+ * declares) is not a node id, so indexOf answers -1 and a detection sitting
+ * well BEHIND the declaration would still be badged as the live one.
+ */
 function detectionLeads(lane: Lane): boolean {
   if (!lane.detected_stage) return false;
-  const ids = lane.pipeline_nodes.map((n) => n.id);
-  return ids.indexOf(lane.detected_stage) > ids.indexOf(lane.stage);
+  const nodes = lane.pipeline_nodes;
+  return (
+    nodes.findIndex((n) => n.id === lane.detected_stage) >
+    nodes.findIndex((n) => n.state === "current")
+  );
 }
 
 export default function LaneStripCard({