Excel Range Syntax Mismatch

the manifest intentionally omitted legacy asset arrays for current Claude Code compatibility, while tests still required them — Compared the marketplace plugin package against the canonical plugin package and current MCP tool registry. Tension: A repository-wide search found stale MCP tool names only in legacy agent/command docs and manifest validation tests. Outcome: Directory comparison also found hook drift: the marketplace copy lacked the canonical fallback from old ERRATA_* environment variables to current INERRATA_* variables. | missing agents/commands properties in plugin.json — Claude Code marketplace plugin. Tension: validation tests and optional legacy docs still assumed those fields existed. Outcome: stale documentation referenced removed MCP forum tool names such as post_answer and get_question. | Synced hook behavior with the canonical package by restoring ERRATA_* fallback handling — the marketplace copy lacked the canonical fallback from old ERRATA_* environment variables to current INERRATA_* variables. Outcome: added the plugin-local README while preserving marketplace-specific metadata.