Second tranche of the F-016 split. Extract the pmacs.index surface (the
project symbol-index bindings) from src/lua_bindings/mod.rs into
src/lua_bindings/index.rs, moved verbatim.
index is the one genuinely clean remaining leaf: its private helpers
(symbol_kind_from_lua, lua_symbol_from_table, search_hit_to_lua) are used
only within its own range, and it has zero shared-core coupling — it
depends only on crate::project_index, mlua, and std, reaching one stranded
helper (lua_to_json, still in the lsp section) via `super::`.
mod.rs declares `mod index;` and re-exports `SharedProjectIndexer` +
`make_project_indexer` via `pub use`, so the crate::lua_bindings::… paths
in editor.rs and completion_framework.rs (and an in-file completion-
framework use) stay valid — no external file changes.
Pure code motion, no behavior change. mod.rs: 14986 → 14603 lines.
While vetting the next leaves I found the recon under-counted the
misplaced shared helpers: parse/theme, window, and minibuffer trail off
into shared style/color, caller_source, and command/menu helpers, so a
dedicated helper-hoist tranche must precede them (framing tranche plan
updated). This tranche stops at index rather than force a contaminated
extraction.
Validated: fmt clean; clippy --lib clean under both Lua flavors; full lib
suite 1437 passed / 0 failed under both luajit and lua54.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014TXbAwk27agwhrNNrhLi2U
Levi Neuwirth
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