docs: close two todos resolved by PR #500 and rescope folder-seeding cleanup

[FSM1]

What

Housekeeping on .planning/todos/ after verifying each pending todo against live code. Two todos were fully resolved by PR `#500` and one was partially resolved.

Changes

• Moved to completed/ — verified resolved in live code by PR `feat: consolidate SDK shared-folder ownership and encrypt share itemName at rest #500` (`383e856cb`):
  • 2026-06-13-encrypt-share-itemname-at-rest.md — M1 fixed: item_name_encrypted bytea column, client ECIES-wraps the name, additive migration 1749200000000.
  • 2026-06-15-route-shared-folder-writes-through-the-sdk-client.md — all 5 shared-write ops route through getSdkClient(); new sharedFolderTree owns publish/sequence/CAS.
• Rescoped — 2026-06-16-remove-redundant-web-folder-seeding…: item 1 (ensureFolderRegistered + ~14 call sites) landed in `feat: consolidate SDK shared-folder ownership and encrypt share itemName at rest #500`; rescoped to the remaining useFolderNavigation key-unwrap consolidation.
• Seed — stages the in-progress Phala TEE on-demand cost-reduction seed.

Docs/planning only — no code or CI changes.

🤖 Generated with Claude Code

Summary by CodeRabbit

Release Notes

Note: This release contains internal planning documentation updates related to architectural planning and technical roadmap refinement. No user-facing features or bug fixes are included in this update.

• Documentation
  • Updated internal planning documentation for cost optimization and SDK consolidation initiatives.

[coderabbitai]

Caution

Review failed

Pull request was closed or merged during review

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 13e1091d-aef7-4c1d-aa7c-80a6ba42bfe3

📥 Commits

Reviewing files that changed from the base of the PR and between 383e856 and 6f4465f.

📒 Files selected for processing (4)

• .planning/seeds/SEED-001-phala-tee-on-demand-cost-reduction.md
• .planning/todos/completed/2026-06-13-encrypt-share-itemname-at-rest.md
• .planning/todos/completed/2026-06-15-route-shared-folder-writes-through-the-sdk-client.md
• .planning/todos/pending/2026-06-16-remove-redundant-web-folder-seeding-now-that-sdk-self-bootst.md

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Walkthrough

Two planning documents are updated. SEED-001 is expanded from placeholder stubs into a full Phala TEE cost-reduction plan with feasibility analysis, four architecture options, risk-adjusted recommendations, open spikes, and expanded breadcrumbs. A pending todo document is updated to reflect that the ensureFolderRegistered removal is complete and to narrow remaining work to consolidating ECIES key-unwrapping into the SDK.

Changes

Planning Document Updates

Layer / File(s)	Summary
SEED-001 Phala TEE cost-reduction enrichment .planning/seeds/SEED-001-phala-tee-on-demand-cost-reduction.md	Frontmatter is populated with enriched metadata; body is rewritten with TEE workload context, feasibility findings, four architecture options (A–D), risk-adjusted recommendation sequence, surfacing conditions, scope estimate, pre-commit spike questions, and expanded breadcrumbs/notes.
Todo narrowed to ECIES unwrap consolidation .planning/todos/pending/2026-06-16-remove-redundant-web-folder-seeding-now-that-sdk-self-bootst.md	Problem framing updated to mark ensureFolderRegistered deletion as completed by PR #500; remaining work scoped to eliminating duplicated key-unwrapping in useFolderNavigation by routing through client.ensureFolderLoaded/FolderState; Solution steps rewritten accordingly.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~5 minutes

Possibly related PRs

• FSM1/cipher-box#70: Implements async subfolder navigation with ECIES key unwrapping and the real loadFolder pipeline — directly the code the todo targets for SDK consolidation.
• FSM1/cipher-box#489: Modifies ensureFolderRegistered with reconcileFolderState, overlapping with the todo's completed task of removing web-side folder pre-seeding and transferring ownership to the SDK.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main objective of closing completed todos and rescoping remaining work, reflecting the core changes in the pull request.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch docs/close-resolved-todos

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Release Preview

No version bumps detected. All changes are in unversioned paths or use exempt commit types.