chore: add debug logging and local install script

- Add tracing logs for lock file lookup debugging
- Create scripts/install-local.sh for Zed dev extension testing

Author: bug-ops

crates/deps-lsp/src/document_lifecycle.rs

@@ -74,12 +74,17 @@ where
     let dependencies: Vec<H::Dependency> = parse_result.into_iter().collect();
 
     let unified_deps: Vec<UnifiedDependency> = dependencies.into_iter().map(wrap_dep_fn).collect();
+
+    tracing::info!("handle_document_open: starting lock file lookup for {}", uri);
+
     let lockfile_versions = {
         let cache = Arc::clone(&state.cache);
         let handler = H::new(cache);
 
         if let Some(provider) = handler.lockfile_provider() {
+            tracing::info!("handle_document_open: got lockfile provider");
             if let Some(lockfile_path) = provider.locate_lockfile(&uri) {
+                tracing::info!("handle_document_open: found lock file at {}", lockfile_path.display());
                 match state
                     .lockfile_cache
                     .get_or_parse(provider.as_ref(), &lockfile_path)
@@ -99,10 +104,11 @@ where
                     }
                 }
             } else {
-                tracing::debug!("No lock file found for {}", uri);
+                tracing::warn!("No lock file found for {}", uri);
                 None
             }
         } else {
+            tracing::warn!("No lockfile provider for this ecosystem");
             None
         }
     };

scripts/install-local.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+# Install deps-lsp to ~/.local/bin for Zed dev extension testing
+
+set -e
+
+cargo build --release -p deps-lsp
+cp target/release/deps-lsp ~/.local/bin/
+echo "✓ Installed deps-lsp to ~/.local/bin/"
+echo "  Restart Zed to use the new version"