chore: release v0.6.0

Rolls up four weeks of post-v0.5.0 work into one tag:

- Phase 2B polish foundation + form layout (2026-05-02, 5da1e52)
- v0.5.1 Stream A — 3-column vault layout + toast + bottom sheet (2026-05-03, c16adc4)
- v0.5.1 Stream B — left-nav settings (2026-05-03, bd6a301)
- v0.5.1 Stream C — Recovery QR + setup wizard Style C (2026-05-03, 934dfe0)
- 1C-γ — Document item type + attachments + device registration + trash + history
- Plan B refactor (Cycles 1+2) — commands/ split, prompt_or_flag, core/WASM seam
- Vault-tab management surfaces revamp (2026-05-24..30) — settings split, devices fingerprint, trash countdown, history polish
- Doc-structure redesign (2026-05-30) — DESIGN/CRYPTO/docs/FORMATS rename + scope headers + Next: footers
- Lock-screen logo for parity with popup unlock
- 17 stale tests updated to match post-Stream-B / post-revamp components

Versions: relicario-{core,cli,wasm} → 0.6.0; extension/package.json → 0.6.0.
relicario-server stays at 0.1.0 (separate cadence).

Suite status at tag time: 371/371 extension + 281 Rust tests green.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

Cargo.lock

@@ -2156,7 +2156,7 @@ checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 
 [[package]]
 name = "relicario-cli"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "anyhow",
  "arboard",
@@ -2185,7 +2185,7 @@ dependencies = [
 
 [[package]]
 name = "relicario-core"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "argon2",
  "base64",
@@ -2231,7 +2231,7 @@ dependencies = [
 
 [[package]]
 name = "relicario-wasm"
-version = "0.5.0"
+version = "0.6.0"
 dependencies = [
  "base64",
  "ed25519-dalek",