docs(release): align v0.8.68 mode FAQ and workflow commands

[Hmbown]

Summary

• align the English and Chinese FAQ with the shipped Plan / Act / Operate mode contract
• replace nonexistent codewhale workflow status / workflow logs README examples with the real lane status / lane logs commands
• add the required --fleet argument to the workflow run example

Why

Claude review of merged release PR #4327 caught both inconsistencies. This keeps the v0.8.68 public docs executable and consistent with the CLI on main @ 7e18d5a2fe260a39258b85c5d1de394c1609b03a.

Verification

• ./scripts/release/check-versions.sh
• git diff --check
• npm --prefix web run check:docs
• npm --prefix web run lint could not run because this worktree has no eslint binary installed

No release tag, GitHub Release, registry publish, or deploy was performed.

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[claude]

Claude finished @Hmbown's task in 1m 38s —— View job

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Review: docs(release) v0.8.68 mode FAQ / workflow command alignment

• Gather context (diff, CLAUDE.md, AGENTS.md)
• Review README.md changes
• Review web/app/[locale]/faq/page.tsx changes
• Check cross-file consistency (English FAQ, workflow commands elsewhere, actual CLI/mode source)
• Post final review

Verdict: accurate, low-risk, ready to merge. Docs-only, 2 files, no .rs/logic changes — reviewed against the actual CLI/TUI source rather than just prose.

What I verified:

• codewhale lane status <lane-id> / codewhale lane logs <lane-id> are real subcommands (crates/cli/src/lib.rs:396-405, LaneCommand::Status/Logs), matching the README replacement of the nonexistent workflow status/workflow logs.
• --fleet is a required, non-Option field on WorkflowCommand::Run (crates/cli/src/lib.rs:474-479, doc comment: "Required for role-resolved Workflow runs"), so adding --fleet <fleet-name> to the README example fixes a command that would otherwise fail clap's required-arg check. --runtime tmux matches the documented default (default_value = "tmux", line 487).
• FAQ mode rename (Agent→Act, YOLO removed, Operate added) matches shipped UI behavior, not just internal naming: AppMode still keeps Agent/Yolo as legacy enum variants for compat, but footer.rs:322-337 maps Agent | Auto | Yolo → the "act" badge, and mode_picker.rs explicitly excludes the legacy YOLO shorthand from the visible picker roster (comment: "Legacy YOLO shorthand (4) is not offered by the picker"). So "Act" and "Operate" are the real user-facing labels today, and YOLO is correctly demoted from a listed mode to a compatibility alias — consistent with README.md:219's existing "legacy YOLO remains a compatibility alias for Act + Full Access" language elsewhere in the same file (untouched by this PR, and not contradicted by it).
• Operate's FAQ description ("durable Fleet/Workflow orchestration for larger, staged jobs... same approval posture") matches crates/tui/src/prompts/modes/operate.md.
• Chinese FAQ translation mirrors the English changes 1:1 (Act/执行, Operate/编排).
• git diff --check on the PR diff: clean, no whitespace errors.

Provider/model routing (EPIC #2608): N/A — no code touches model/provider selection.

Nits (non-blocking):

• None worth holding up this PR for. Scope is tight and correct.

No correctness, safety, or reuse issues found. Nothing further to fix.