lean-ctx 3.6.15

Context Runtime for AI Agents with CCP. 62 MCP tools, 10 read modes, 60+ compression patterns, cross-session memory (CCP), persistent AI knowledge with temporal facts + contradiction detection, multi-agent context sharing, LITM-aware positioning, AAAK compact format, adaptive compression with Thompson Sampling bandits. Supports 24+ AI tools. Reduces LLM token consumption by up to 99%.
Documentation 
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use crate::dashboard::routes::helpers::{detect_project_root_for_dashboard, extract_query_param};

pub(super) fn get_route(
    path: &str,
    query_str: &str,
) -> Option<(&'static str, &'static str, String)> {
    match path {
        "/api/call-graph" => Some(call_graph()),
        "/api/call-graph/status" => Some(call_graph_status()),
        "/api/symbols" => Some(symbols(query_str)),
        _ => None,
    }
}

fn call_graph() -> (&'static str, &'static str, String) {
    let root = detect_project_root_for_dashboard();
    let index = std::sync::Arc::new(crate::core::graph_index::load_or_build(&root));
    match crate::core::call_graph::CallGraph::get_or_start_build(&root, index.clone()) {
        Ok(graph) => {
            let payload = serde_json::json!({
                "status": "ready",
                "project_root": super::project_basename(&graph.project_root),
                "edges": graph.edges,
                "file_hashes": graph.file_hashes,
                "indexed_file_count": index.files.len(),
                "indexed_symbol_count": index.symbols.len(),
                "analyzed_file_count": graph.file_hashes.len(),
            });
            let json = serde_json::to_string(&payload)
                .unwrap_or_else(|_| "{\"error\":\"failed to serialize call graph\"}".to_string());
            ("200 OK", "application/json", json)
        }
        Err(progress) => {
            let json = serde_json::to_string(&progress)
                .unwrap_or_else(|_| "{\"status\":\"building\"}".to_string());
            ("202 Accepted", "application/json", json)
        }
    }
}

fn call_graph_status() -> (&'static str, &'static str, String) {
    let progress = crate::core::call_graph::CallGraph::build_status();
    let json =
        serde_json::to_string(&progress).unwrap_or_else(|_| "{\"status\":\"idle\"}".to_string());
    ("200 OK", "application/json", json)
}

fn symbols(query_str: &str) -> (&'static str, &'static str, String) {
    let root = detect_project_root_for_dashboard();
    let index = crate::core::graph_index::load_or_build(&root);
    let q = extract_query_param(query_str, "q");
    let kind = extract_query_param(query_str, "kind");
    let json = build_symbols_json(&index, q.as_deref(), kind.as_deref());
    ("200 OK", "application/json", json)
}

fn build_symbols_json(
    index: &crate::core::graph_index::ProjectIndex,
    query: Option<&str>,
    kind: Option<&str>,
) -> String {
    let query = query
        .map(|q| q.trim().to_lowercase())
        .filter(|q| !q.is_empty());
    let kind = kind
        .map(|k| k.trim().to_lowercase())
        .filter(|k| !k.is_empty());

    let mut symbols: Vec<&crate::core::graph_index::SymbolEntry> = index
        .symbols
        .values()
        .filter(|sym| {
            let kind_match = match kind.as_ref() {
                Some(k) => sym.kind.eq_ignore_ascii_case(k),
                None => true,
            };
            let query_match = match query.as_ref() {
                Some(q) => {
                    let name = sym.name.to_lowercase();
                    let file = sym.file.to_lowercase();
                    let symbol_kind = sym.kind.to_lowercase();
                    name.contains(q) || file.contains(q) || symbol_kind.contains(q)
                }
                None => true,
            };
            kind_match && query_match
        })
        .collect();

    symbols.sort_by(|a, b| {
        a.file
            .cmp(&b.file)
            .then_with(|| a.start_line.cmp(&b.start_line))
            .then_with(|| a.name.cmp(&b.name))
    });
    symbols.truncate(500);

    serde_json::to_string(
        &symbols
            .into_iter()
            .map(|sym| {
                serde_json::json!({
                    "name": sym.name,
                    "kind": sym.kind,
                    "file": sym.file,
                    "start_line": sym.start_line,
                    "end_line": sym.end_line,
                    "is_exported": sym.is_exported,
                })
            })
            .collect::<Vec<_>>(),
    )
    .unwrap_or_else(|_| "[]".to_string())
}