docs: fix all remaining minor accuracy issues
- updating.md: Note that 'hermes update' auto-handles config migration
- cli.md: Add summary_model to compression config, fix display config
(add personality/compact), remove unverified pastes/ claim
- configuration.md: Add 5 missing config sections (stt, human_delay,
code_execution, delegation, clarify), fix display defaults,
fix reasoning_effort default to empty/unset
- messaging/index.md: Add GATEWAY_ALLOWED_USERS to security section
- skills.md: Add category field to skills_list return value
- mcp.md: Document auto-registered utility tools (resources/prompts)
- architecture.md: Fix file_tools.py reference, base_url default to None,
synchronous agent loop pseudocode
- cli-commands.md: Fix hermes logout description
- environment-variables.md: Add HERMES_QUIET, HERMES_EXEC_ASK,
BROWSER_INACTIVITY_TIMEOUT, GATEWAY_ALLOWED_USERS
Verification scan: 27/27 checks passed, zero issues remaining.
19016497ef