chore: strip remaining pre-fork version references

Second pass — removes chat-switchboard version numbers from config
field docs, section headers, file headers, and test comments. These
were pre-fork version tags that don't apply to switchboard-core.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/handlers/packages.go

@@ -27,7 +27,7 @@ import (
 var validPackageID = regexp.MustCompile(`^[a-z0-9][a-z0-9-]{0,62}[a-z0-9]$`)
 
 // PackageHandler manages unified package lifecycle (admin-only).
-// Replaces SurfaceHandler (v0.28.7).
+// Replaces SurfaceHandler.
 type PackageHandler struct {
 	stores      store.Stores
 	packagesDir string           // e.g. /data/packages — where archives are extracted
@@ -43,12 +43,12 @@ func NewPackageHandler(s store.Stores, packagesDir ...string) *PackageHandler {
 	return &PackageHandler{stores: s, packagesDir: dir}
 }
 
-// SetSandbox attaches a Starlark sandbox for schema migrations (v0.30.0).
+// SetSandbox attaches a Starlark sandbox for schema migrations.
 func (h *PackageHandler) SetSandbox(sb *sandbox.Sandbox) {
 	h.sandbox = sb
 }
 
-// SetRunner attaches the Starlark runner for test-tool execution (v0.38.2).
+// SetRunner attaches the Starlark runner for test-tool execution.
 func (h *PackageHandler) SetRunner(r *sandbox.Runner) {
 	h.runner = r
 }
@@ -672,7 +672,7 @@ func extractableRelPath(name string) string {
 	return ""
 }
 
-// ── Package settings (v0.30.0 CS2) ──────────────
+// ── Package settings ──────────────
 
 // GetPackageSettings returns the settings schema from the manifest merged
 // with current admin-configured values.
@@ -806,7 +806,7 @@ func (h *PackageHandler) ListEnabledSurfaces(c *gin.Context) {
 	c.JSON(http.StatusOK, gin.H{"data": enabled})
 }
 
-// ── Test Tool (v0.38.2) ─────────────────────────
+// ── Test Tool ─────────────────────────
 // POST /admin/packages/:id/test-tool
 // Invokes a starlark extension's on_tool_call entry point directly,
 // without going through the AI chat loop. Admin-only test harness.
@@ -881,7 +881,7 @@ func (h *PackageHandler) TestTool(c *gin.Context) {
 	})
 }
 
-// ── Package update (v0.5.4) ──────────────────────
+// ── Package update ──────────────────────
 
 // UpdatePackage applies an in-place update to an existing package.
 // POST /api/v1/admin/packages/:id/update
@@ -1158,7 +1158,7 @@ func mergePackageSettings(existing *store.PackageRegistration, manifest map[stri
 	return data
 }
 
-// ── Package export (v0.5.4) ──────────────────────
+// ── Package export ──────────────────────
 
 // ExportPackage exports an installed package as a downloadable .pkg archive.
 // GET /api/v1/admin/packages/:id/export