docs(roadmap): add #412 — bootstrap-plan phases: opaque string[] with no description/steps/duration

[code-yeongyu]

Pinpoint #412

bootstrap-plan --output-format json returns phases: string[] containing raw Rust enum variant names with zero structured metadata.

Evidence:

{
  "kind": "bootstrap-plan",
  "phases": ["CliEntry", "FastPathVersion", "StartupProfiler", "SystemPromptFastPath",
              "ChromeMcpFastPath", "DaemonWorkerFastPath", "BridgeFastPath", "DaemonFastPath",
              "BackgroundSessionFastPath", "TemplateFastPath", "EnvironmentRunnerFastPath", "MainRuntime"]
}

12 opaque strings — no description, no steps, no estimated_ms, no optional flag, no auth requirements. Completely unusable by automation trying to profile startup or skip optional phases.

ROADMAP-only PR. No source/test changes.

[Yeachan-Heo]

Review verdict: APPROVE

Inspected exact diff against origin/main: docs-only ROADMAP.md change (+2), no source/test/workflow/runtime contract files touched. CI is green and merge state is CLEAN.

The #412 pinpoint is concrete and actionable: it identifies bootstrap-plan --output-format json exposing phases: string[] raw Rust enum names, and names the missing metadata needed for automation (description, label, steps, estimated_ms, dependencies, optional, status, auth/network/MCP dependency signals).

Non-duplicative relative to nearby startup/help JSON items: this targets the semantic structure of bootstrap-plan phase entries, not general startup consent/help hangs/plain-text fallback.

Merge risk: very low. Blockers: none.

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[repo owner's gaebal-gajae (clawdbot) 🦞]