Remove loc search from agent guidance

[Saga4]

For Quick fix, removing it from agent guidance as first thing, And in subsequent PR will make the cleanup.

Summary

• remove loc search from generated agent skills, mount-local AGENTS.md, source guidance, and the onboarding prompt
• steer agents toward mounted-folder browsing, normal filesystem tools, loc info, and loc locate for known Notion URLs/titles
• update quickstart/best-practices examples while keeping the CLI reference and search implementation intact

Tests

• cargo test -p loc-cli mount_writes_agent_guidance_and_claude_alias
• cargo test -p localityd source_guidance_teaches_common_cli_workflow
• cargo test -p locality-desktop --bin locality-desktop skill_teaches_connector_aware_locality_cli_workflow
• cargo test -p locality-desktop --bin locality-desktop suggested_prompt_is_source_neutral_and_cli_first
• cargo fmt --all -- --check
• git diff --check

Note

• I also tried cargo test -p locality-desktop agent_guidance; the changed tests passed, but the broader filter failed on agent_guidance::tests::no_supported_agent_fallback_names_locality_source_folder because this local machine detects supported agent tooling, so the fallback count is environment-dependent.

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Project	Deployment	Actions	Updated (UTC)
locality	Ready	Preview	Aug 5, 2026 8:33pm