[PM-39035] Document client lock states

[quexten]

🎟️ Tracking

https://bitwarden.atlassian.net/browse/PM-39035

📔 Objective

Add a deep-dive page documenting the lock states a Bitwarden client moves through: logged out, locked before-first-unlock (BFU), locked after-first-unlock (AFU), and unlocked. Explains that some secrets are held in memory only and re-hydrated on unlock, so feature behavior differs by state.

📸 Screenshots

n/a (docs only)

[github-actions]

🤖 Bitwarden Claude Code Review

Overall Assessment: REQUEST CHANGES

Reviewed the new docs/architecture/deep-dives/lock-states.md page documenting the four client lock states (Logged out, BFU, AFU, Unlocked), the related cross-link added to memory-hardening.md, the cross-link added to ssh/agent.md, and the new reprompt entry in custom-words.txt. Content is well-structured, follows the deep-dives convention (no frontmatter, auto-generated sidebar), and headings/tables match the repo style guide. All cross-document links and the #process-isolation-and-key-protection-on-desktop-apps anchor in memory-hardening.md resolve.

Code Review Details

• ⚠️ : Typo "occuring" will fail the cspell CI step
  • docs/architecture/deep-dives/lock-states.md:35

[cloudflare-workers-and-pages]

Deploying contributing-docs with    Cloudflare Pages

Latest commit:	6eeb1ff
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Branch Preview URL:	https://km-lock-states.contributing-docs.pages.dev

View logs

[withinfocus]

Significant but clean documentation improvements. You can wait on someone from your team to also give the nod on a deeper technical review but this works for me.

[Thomas-Avery]

Looks good some minor things from me.