[P3.5] Sweep stale docs, docstrings and phantom CLI commands, with a repeatable check

[frankbria]

Filed by the SaaS launch review. Priority P3.5 — severity low, category docs.

Problem

Every stale line is a support ticket or a wasted agent turn. QUICKSTART documents codeframe work batch cancel (the command is stop); GOLDEN_PATH — the document CLAUDE.md declares binding — lists codeframe prd refine, which was never built; CLI_WIREFRAME lists config init/show/set, tasks get status and git status, none of which exist. CLAUDE.md says '16 v2 router modules' (verified: 26 files in routers/). cancel_batch's docstring claims it SIGTERMs running subprocesses when it only flips status; installer.py advertises rollback and confirmation prompts that do not exist; cli/init.py misstates the console-script entry point; CLAUDE.md documents CODEFRAME_API_KEY_SECRET, which no code path reads.

Evidence

• docs/QUICKSTART.md:276
• docs/GOLDEN_PATH.md:101
• docs/CLI_WIREFRAME.md:193
• CLAUDE.md:135
• codeframe/core/conductor.py:877
• codeframe/core/installer.py:7
• CLAUDE.md:317

Acceptance criteria

• Every backticked cf/codeframe command in docs/ either exists in cf --help or is explicitly marked NOT IMPLEMENTED
• CLAUDE.md router count matches the filesystem; CODEFRAME_API_KEY_SECRET is wired or removed from the docs
• cancel_batch, installer.py and cli/init.py docstrings describe only what the code does
• A repeatable script or test asserts every documented command resolves in the Typer app

Dependencies

• blocked by [P1.32] Bring the root documentation in line with the shipped product #950 (P1.32)
• blocked by [P2.1] Correct the published API documentation #951 (P2.1)
• blocked by [P3.1] Delete the dead v1 backend layers #968 (P3.1)

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Atomic by construction: one developer, one focused session.