llm: Add plan-implement-review pipeline command

[SaintPatrck]

Objective

Add a plan-implement-review command that orchestrates an end-to-end Android development pipeline — requirements analysis, architecture planning, implementation, and multi-agent code review — driven by a Claude Code agent team.

Pipeline

• Plan (once): Requirements → Architecture → Work Breakdown → QA Handoff
• Implement + Review (per phase): implement → 4-reviewer gauntlet → up-to-3-round fix cycle
• Reviewer roles map to Bitwarden marketplace agents (product-analyst, architect, security-engineer, code-reviewer, software-engineer).

Notes

• Requires CLAUDE_CODE_EXPERIMENTAL_AGENT_TEAMS=1.
• Targets the implicit agent-team model (Claude Code v2.1.178+): teammates are spawned via the Agent tool and team setup/teardown is automatic — no TeamCreate/TeamDelete.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 85.86%. Comparing base (4d6c8c4) to head (2df725c).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7121   +/-   ##
=======================================
  Coverage   85.86%   85.86%           
=======================================
  Files         926      926           
  Lines       65940    65940           
  Branches     9376     9376           
=======================================
  Hits        56617    56617           
  Misses       6098     6098           
  Partials     3225     3225           

Flag	Coverage Δ
app-data	17.21% <ø> (ø)
app-ui-auth-tools	18.84% <ø> (ø)
app-ui-platform	16.53% <ø> (ø)
app-ui-vault	28.34% <ø> (ø)
authenticator	6.16% <ø> (ø)
lib-core-network-bridge	4.05% <ø> (ø)
lib-data-ui	1.14% <ø> (ø)

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