[Bug] SessionStart startup hook error: ToolUseContext is required for prompt hooks

Bug Description
Last login: Wed Apr 29 00:40:06 on console gesicht@gesicht GuruNote % claude ▐▛███▜▌ Claude Code v2.1.120 ▝▜█████▛▘ Opus 4.7 (1M context) · Claude Max ▘▘ ▝▝ ~/GuruNote ⎿  SessionStart:startup hook error ⎿  Failed to run: ToolUseContext is required for prompt hooks. This is a bug. ⎿  SessionStart:startup hook error ⎿  Failed with non-blocking status code: No stderr output ⎿  SessionStart:startup hook error ⎿  Failed with non-blocking status code: No stderr output ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── ❯ ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── Press Ctrl-C again to exit ^C% gesicht@gesicht GuruNote % gesicht@gesicht GuruNote % claude ▐▛███▜▌ Claude Code v2.1.123 ▝▜█████▛▘ Opus 4.7 (1M context) · Claude Max ▘▘ ▝▝ ~/GuruNote ⎿  SessionStart:startup hook error ⎿  Failed to run: ToolUseContext is required for prompt hooks. This is a bug. ⎿  SessionStart:startup says: [GuruNote] recent context, 2026-04-29 1:26pm GMT+9 ──────────────────────────────────────────────────────────── Legend: session-request | 🔴 bugfix | 🟣 feature | 🔄 refactor | ✅ change | 🔵 discovery | ⚖️ decision Column Key Read: Tokens to read this observation (cost to learn it now) Work: Tokens spent on work that produced this record ( research, building, deciding) Context Index: This semantic index (titles, types, files, tokens) is usually sufficient to understand past work. When you need implementation details, rationale, or debugging context: - Fetch by ID: get_o…
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