Feat v0.7.6 code hygiene (#60)

Co-authored-by: Jeffrey Smith <jasafpro@gmail.com>
Co-committed-by: Jeffrey Smith <jasafpro@gmail.com>

CHANGELOG.md

@@ -2,6 +2,32 @@
 
 All notable changes to Armature are documented here.
 
+## v0.7.6 — Code Hygiene + Test Coverage
+
+**Critical Fixes**
+- Removed `channels` from `allowedViews` in `db_module.go` — `ext_view_channels` does not exist; `db.view("channels")` would crash
+- Fixed 5 dead API routes in `workflow.html` — rewired to public workflow API (`/api/v1/public/workflows/`)
+- Fixed `RenderWorkflow` handler to pass route `:id` param as entry token (was reading unset `channel_id`)
+
+**Dead Code Removal**
+- Deleted `SeedTestChannel()` from `database/testhelper.go` (inserted into nonexistent channels table)
+- Removed `RunContext.ChannelID` from `sandbox/runner.go` (vestigial, unused)
+- Removed `webhook.Payload.ChannelID` field (channels no longer exist — breaking webhook JSON change)
+- Fixed stale comments in `storage.go`, `prometheus.go`, `workflow_module.go` referencing dead `/channels` paths
+
+**Migration Hygiene**
+- Added SQLite placeholder `013_cluster_registry.sql` (PG-only migration, aligns numbering)
+- Renumbered SQLite `013_test_runner_type.sql` → `014` to match PG (compat rename in `migrate.go`)
+- Documented missing migration 008 in both 009 files (merged into 007 during pre-1.0 consolidation)
+
+**Test Coverage**
+- 82 new workflow routing tests (`routing_test.go`): `ResolveNextStage`, `ResolveStageByName`, `ParseStageConfig`, `evaluateCondition` with all 10 operators
+- 10 new middleware tests (`permissions_test.go`): `RequirePermission`, `RequireAdmin`, permission caching, `RateLimiter` (allow/deny/fail-open)
+
+**Bug Fixes**
+- Removed dead Admin "Storage" tab from System category (backend endpoint preserved for future Monitoring use)
+- Fixed backup download: `sw.auth.token()` → `sw.auth._getToken()` — both "Download Backup" and server backup download now work
+
 ## v0.7.5 — Headless E2E + CI Gate
 
 **CI Gating Redesign**