Implement project discovery, directory listing, and context API endpoints

- Add ProjectDiscovery to leanspec_core for filesystem scanning
- Implement ignore patterns for common directories
- Add POST /api/local-projects/discover endpoint
- Add POST /api/local-projects/list-directory endpoint
- Add GET /api/context and GET /api/context/:file endpoints
- Include comprehensive tests for project discovery
- Wire up all new routes in router

Co-authored-by: tikazyq <[email protected]>

Author: Copilot

rust/Cargo.lock

@@ -41,9 +41,9 @@ pub use types::{
     ValidationIssue, ValidationResult,
 };
 pub use utils::{
-    CompleteDependencyGraph, DependencyGraph, ImpactRadius, Insights, LoadError, MetadataUpdate,
-    SpecLoader, SpecStats, SpecWriter, TemplateError, TemplateLoader, TokenCount, TokenCounter,
-    TokenStatus, WriteError,
+    CompleteDependencyGraph, DependencyGraph, DiscoveredProject, DiscoveryError, ImpactRadius,
+    Insights, LoadError, MetadataUpdate, ProjectDiscovery, SpecLoader, SpecStats, SpecWriter,
+    TemplateError, TemplateLoader, TokenCount, TokenCounter, TokenStatus, WriteError,
 };
 pub use validators::{
     CompletionVerifier, FrontmatterValidator, LineCountValidator, StructureValidator,

rust/leanspec-core/src/lib.rs

@@ -2,6 +2,7 @@
 
 mod dependency_graph;
 mod insights;
+mod project_discovery;
 mod spec_loader;
 mod spec_writer;
 mod stats;
@@ -10,6 +11,7 @@ mod token_counter;
 
 pub use dependency_graph::{CompleteDependencyGraph, DependencyGraph, ImpactRadius};
 pub use insights::Insights;
+pub use project_discovery::{DiscoveredProject, DiscoveryError, ProjectDiscovery};
 pub use spec_loader::{LoadError, SpecLoader};
 pub use spec_writer::{MetadataUpdate, SpecWriter, WriteError};
 pub use stats::SpecStats;

rust/leanspec-core/src/utils/mod.rs

@@ -38,6 +38,7 @@ chrono.workspace = true
 
 # Utilities
 thiserror.workspace = true
+walkdir.workspace = true
 
 # Directories
 dirs = "5.0"

rust/leanspec-http/Cargo.toml

@@ -2,10 +2,14 @@
 //!
 //! Route handlers for the HTTP API.
 
+mod context;
 mod health;
+mod local_projects;
 mod projects;
 mod specs;
 
+pub use context::*;
 pub use health::*;
+pub use local_projects::*;
 pub use projects::*;
 pub use specs::*;

rust/leanspec-http/src/handlers/mod.rs

@@ -72,6 +72,18 @@ pub fn create_router(state: AppState) -> Router {
             "/api/projects/{id}/validate",
             post(handlers::validate_project),
         )
+        // Local project routes
+        .route(
+            "/api/local-projects/discover",
+            post(handlers::discover_projects),
+        )
+        .route(
+            "/api/local-projects/list-directory",
+            post(handlers::list_directory),
+        )
+        // Context routes
+        .route("/api/context", get(handlers::list_context_files))
+        .route("/api/context/{*file}", get(handlers::get_context_file))
         // Spec routes
         .route("/api/specs", get(handlers::list_specs))
         .route("/api/specs/{spec}", get(handlers::get_spec))