f87a52f28f
- restore count in get_loose_ends: 'N local task(s):' instead of bare 'local task(s):' - add cross-crate coupling comment to both mcp_loose_ends_dir() copies - add comment in hive-bash-daemon service env explaining HYPERHIVE_HARNESS_DIR is already injected via systemd.globalEnvironment by the meta flake
53 lines
1.9 KiB
Rust
53 lines
1.9 KiB
Rust
//! Generic scanner for MCP loose-end summary files.
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//!
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//! External MCP daemons (hive-bash-mcp, hive-matrix-mcp, etc.) write
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//! JSON files to `$HYPERHIVE_HARNESS_DIR/mcp-loose-ends/<name>.json`.
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//! Each file contains a JSON array of plain-text summary strings.
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//!
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//! The harness reads all files in this directory in `get_loose_ends` to
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//! surface active background work from any MCP without hardcoding
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//! per-MCP knowledge here.
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use std::path::PathBuf;
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/// NOTE: the base-dir resolution logic here is intentionally mirrored in
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/// `hive-bash-mcp/src/paths.rs::mcp_loose_ends_dir()`. They can't share
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/// code across crates — keep them in sync if the fallback logic changes.
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fn loose_ends_dir() -> PathBuf {
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let base = if let Some(p) = std::env::var_os("HYPERHIVE_HARNESS_DIR") {
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PathBuf::from(p)
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} else {
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let state = std::env::var("HYPERHIVE_STATE_DIR").unwrap_or_default();
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let state_path = PathBuf::from(&state);
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state_path
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.parent()
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.map(|p| p.join("harness"))
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.unwrap_or_else(|| PathBuf::from(state))
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};
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base.join("mcp-loose-ends")
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}
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/// Collect all loose-end summary strings published by external MCP daemons.
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/// Each string is a single line suitable for inclusion in `get_loose_ends`
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/// output. Returns an empty vec if the directory doesn't exist or is empty.
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#[must_use]
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pub fn collect() -> Vec<String> {
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let Ok(rd) = std::fs::read_dir(loose_ends_dir()) else {
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return Vec::new();
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};
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let mut out = Vec::new();
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for entry in rd.flatten() {
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let path = entry.path();
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if path.extension().and_then(|e| e.to_str()) != Some("json") {
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continue;
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}
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let Ok(content) = std::fs::read_to_string(&path) else {
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continue;
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};
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let Ok(items) = serde_json::from_str::<Vec<String>>(&content) else {
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continue;
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};
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out.extend(items);
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}
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out
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}
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