chore(release): bump sessions to 0.12.12

[andrei-hasna]

Summary

• Bumps @hasna/sessions from 0.12.11 to 0.12.12.
• Releases the merged help-text fix from fix(cli): remove deployment mode from help #56 for issue BUG: @hasna/sessions — help reintroduces removed self_hosted mode #55.
• Changes only package.json; this PR does not merge, tag, publish, or install the package.

Candidate

• Base: 1bef54d6a4a51ececd4f5b80ce14ed73ab02f80d
• Head: d6f0a5972e562954549e67a3a8ccca459405ebba

Validation

• Focused regression: bun test test/sync-cli.test.ts --test-name-pattern 'describes storage without removed deployment-mode vocabulary in current help' — 1 pass, 0 fail, exit 0.
• Typecheck: bun run typecheck — exit 0.
• Full test suite: bun test — 378 pass, 0 fail, 1,793 expectations across 44 files, exit 0.
• Build: bun run build — all CLI, MCP, server, library, and SDK bundles plus declarations completed, exit 0.
• Diff integrity: git diff --check — exit 0; candidate diff contains only package.json.
• Staged Shield review: No security issues found in staged changes., exit 0.
• Staged Gitleaks: no leaks found, exit 0.

References #55 and #56.

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[andrei-hasna]

[REVIEW] GO — #57 @ d6f0a59 — lens: correctness+security+gates, reviewer unresolved-account001 (1 of 1)

What I read

• git log --oneline origin/main..HEAD: one commit, d6f0a59 chore(release): bump sessions to 0.12.12.
• git diff origin/main...HEAD --stat: package.json | 2 +-; one file, one insertion, one deletion.
• The complete diff and the full current and base package.json. The only candidate change is @hasna/sessions version 0.12.11 to 0.12.12.
• PR metadata and the referenced merged fix(cli): remove deployment mode from help #56 help-text/source-test diff, including the affected CLI help declarations and regression test context. No runtime logic, dependency, authentication/authorization, session-data, migration, or build-configuration change is introduced by this PR.
• Remote main still resolved to the reviewed base 1bef54d6a4a51ececd4f5b80ce14ed73ab02f80d; the npm registry reported @hasna/sessions 0.12.11; the worktree was clean after validation.

Commands and gates

• bun install (setup, not a test gate): exit 0; 117 packages installed.
• bun run typecheck: exit 0; no diagnostics or pass/fail count emitted.
• bun run test: exit 0; 378 pass, 0 fail, 1793 expect() calls, 44 files.
• git diff --check origin/main...HEAD: exit 0.

Blocking P0/P1 findings

• None.

Non-blocking follow-ups

• None. No separate bun run build was run in this reviewer lane; the supplied review packet declared typecheck and test as the required gates, and both passed.