feat(lanes): widen stage auto-detection, fix terminal UTF-8 decode

Add detect rules for plan/review/gate/tests/intake nodes (Agent subagent
matches, TaskCreate, broader test-runner regex) so more of the pipeline
lights up without an explicit ccam stage call, and fix a review/gate
detect overlap where senior-gate-reviewer also matched the generic
reviewer pattern. Also fix TerminalView's TextDecoder dropping the
`stream: true` flag, which corrupted multi-byte UTF-8 chars split across
WebSocket frames.

server/data/pipelines/default.json

@@ -11,6 +11,12 @@
         "assigned",
         "claimed",
         "start"
+      ],
+      "detect": [
+        {
+          "tool": "Agent",
+          "match": "^Explore$"
+        }
       ]
     },
     {
@@ -31,6 +37,13 @@
         {
           "tool": "Write",
           "match": "docs/.*plan.*\\.md"
+        },
+        {
+          "tool": "Agent",
+          "match": "^Plan$|Software Architect|Backend Architect|UX Architect"
+        },
+        {
+          "tool": "TaskCreate"
         }
       ]
     },
@@ -47,7 +60,7 @@
       "detect": [
         {
           "tool": "Skill",
-          "match": "executing-plans|subagent-driven-development"
+          "match": "executing-plans|subagent-driven-development|test-driven-development"
         },
         {
           "tool": "Edit"
@@ -72,7 +85,11 @@
       "detect": [
         {
           "tool": "Bash",
-          "match": "\\b(npm (run )?test|pytest|vitest|jest|go test|cargo test|node\\s+--test)\\b"
+          "match": "\\b(npm (run )?test|pytest|vitest|jest|go test|cargo test|node\\s+--test|rspec|phpunit|dotnet test|mvn test|gradle test)\\b"
+        },
+        {
+          "tool": "Agent",
+          "match": "Test Results Analyzer|API Tester|Performance Benchmarker"
         }
       ]
     },
@@ -89,11 +106,15 @@
       "detect": [
         {
           "tool": "Skill",
-          "match": "code-review|requesting-code-review"
+          "match": "code-review|requesting-code-review|receiving-code-review"
         },
         {
           "tool": "Bash",
           "match": "\\bgh\\b[^;&|]*\\bpr diff\\b"
+        },
+        {
+          "tool": "Agent",
+          "match": "(?<!senior-gate-)[Rr]eviewer|Evidence Collector|Accessibility Auditor"
         }
       ]
     },
@@ -107,6 +128,16 @@
         "verification",
         "sr-gate",
         "gate-blocked"
+      ],
+      "detect": [
+        {
+          "tool": "Skill",
+          "match": "verification-before-completion"
+        },
+        {
+          "tool": "Agent",
+          "match": "senior-gate-reviewer|Reality Checker"
+        }
       ]
     },
     {