feat(cli): add mesh templates and claudemesh create command

Predefined mesh configurations (dev-team, research, ops-incident,
simulation, personal) let users bootstrap meshes with groups, roles,
state keys, and system prompt hints. Templates are bundled at build
time via Bun's JSON import support.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

apps/cli/src/templates/research.json

@@ -0,0 +1,16 @@
+{
+  "name": "research",
+  "description": "Research and analysis team focused on deep investigation and knowledge sharing",
+  "groups": [
+    { "name": "analysis", "roles": ["lead", "analyst"] },
+    { "name": "writing", "roles": ["lead", "writer", "reviewer"] },
+    { "name": "data", "roles": ["engineer", "analyst"] }
+  ],
+  "stateKeys": {
+    "research-topic": "",
+    "phase": "exploration",
+    "findings-count": "0"
+  },
+  "suggestedRoles": ["lead", "analyst", "writer", "reviewer"],
+  "systemPromptHint": "You are part of a research team. Share findings via remember(), use recall() before starting new analysis. Coordinate phases through state keys."
+}