Step 165: add Sprint 5 integration tests

PROGRESS.md

@@ -512,3 +512,4 @@ Sprint 5 in progress. Step 141 (Emacs daemon with user config) done. Next: Step
 | 2026-02-10 | Codex | Step 162: Help panel with Markdown sections + docs/help.md wired in UI. 4/4 tests pass. |
 | 2026-02-10 | Codex | Step 163: Telemetry + crash logging (opt-in), settings toggle, and log writer. 3/3 tests pass. |
 | 2026-02-10 | Codex | Step 164: Update checker stub + installer manifests/config, settings UI for update URL. 3/3 tests pass. |
+| 2026-02-10 | Codex | Step 165: Sprint 5 integration tests across primitives, projection, pipeline, composition, and Emacs indexing. 8/8 tests pass. |

editor/CMakeLists.txt

@@ -913,6 +913,20 @@ add_executable(step164_test tests/step164_test.cpp)
 target_include_directories(step164_test PRIVATE src)
 target_link_libraries(step164_test PRIVATE nlohmann_json::nlohmann_json)
 
+add_executable(step165_test tests/step165_test.cpp)
+target_include_directories(step165_test PRIVATE src)
+target_link_libraries(step165_test PRIVATE
+    nlohmann_json::nlohmann_json
+    unofficial::tree-sitter::tree-sitter
+    tree_sitter_python
+    tree_sitter_cpp
+    tree_sitter_elisp
+    tree_sitter_javascript
+    tree_sitter_typescript
+    tree_sitter_java
+    tree_sitter_rust
+    tree_sitter_go)
+
 find_package(SDL2 CONFIG REQUIRED)
 find_package(OpenGL REQUIRED)
 find_package(glad CONFIG REQUIRED)

editor/tests/step165_test.cpp

@@ -0,0 +1,91 @@
+// Step 165 TDD Test: Sprint 5 integration coverage
+#include "Pipeline.h"
+#include "PrimitivesRegistry.h"
+#include "AgentCodeGen.h"
+#include "CrossLanguageProjector.h"
+#include "CompositionBuilder.h"
+#include "AgentLibraryPolicy.h"
+#include "EmacsFunctionDiscovery.h"
+#include "ast/Serialization.h"
+#include "ast/Module.h"
+#include "ast/ExternalModule.h"
+#include "ast/TypeSignature.h"
+#include <iostream>
+
+static void expect(bool cond, const std::string& name, int& passed, int& failed) {
+    if (cond) {
+        std::cout << "Test " << (passed + failed + 1) << " PASS: " << name << "\n";
+        ++passed;
+    } else {
+        std::cout << "Test " << (passed + failed + 1) << " FAIL: " << name << "\n";
+        ++failed;
+    }
+}
+
+int main() {
+    int passed = 0;
+    int failed = 0;
+
+    // Library-aware primitives + agent codegen
+    Module mod("m1", "Module", "python");
+    auto* ext = new ExternalModule("ext_numpy", "numpy", "python");
+    ext->addChild("signatures", new TypeSignature("sig_array", "numpy.array"));
+    mod.addChild("externalModules", ext);
+
+    PrimitivesRegistry registry;
+    registry.setRoot(&mod);
+    registry.setLanguage("python");
+    auto funcs = registry.getAvailableFunctions();
+    bool foundArray = false;
+    for (const auto& f : funcs) {
+        if (f.name == "numpy.array") {
+            foundArray = true;
+            break;
+        }
+    }
+    expect(foundArray, "primitives registry includes import", passed, failed);
+
+    AgentCodeGen gen;
+    auto genRes = gen.generate("create array", registry, "python", true);
+    expect(genRes.node != nullptr, "agent codegen returns node", passed, failed);
+    deleteTree(genRes.node);
+
+    // Composition builder
+    std::vector<PrimitiveSymbol> prims = registry.getAvailableFunctions();
+    auto suggestions = suggestCompositionSteps(prims, "", "");
+    std::string code = buildCompositionFunction(suggestions, "compose_pipeline", "x");
+    expect(!code.empty(), "composition builder output", passed, failed);
+
+    // Cross-language projection
+    CrossLanguageProjector projector;
+    auto projected = projector.project(&mod, "rust");
+    expect(projected != nullptr, "cross-language projection", passed, failed);
+
+    // Pipeline parse + generate
+    Pipeline pipeline;
+    auto res = pipeline.run("def add(a,b):\n    return a+b\n", "python", "python");
+    expect(res.success, "pipeline run", passed, failed);
+    expect(!res.generatedCode.empty(), "pipeline generates code", passed, failed);
+
+    // Emacs function index -> external modules
+    EmacsFunctionIndex emacsIndex;
+    emacsIndex.functionsByPackage["cl-lib"] = {
+        {"cl-mapcar", "(cl-mapcar fn list)", "Mapcar doc"}
+    };
+    int sigId = 0;
+    appendEmacsExternalModules(&mod, emacsIndex, sigId);
+    bool hasEmacs = false;
+    for (auto* node : mod.getChildren("externalModules")) {
+        auto* em = static_cast<ExternalModule*>(node);
+        if (em->name == "cl-lib") hasEmacs = true;
+    }
+    expect(hasEmacs, "emacs external module appended", passed, failed);
+
+    // Agent library policy warning path
+    LibraryPolicyResult policy = checkMutationLibraryPolicy(ext, &mod, true, false);
+    expect(policy.ok, "library policy allows known import", passed, failed);
+
+    std::cout << "\n=== Step 165 Results: " << passed << " passed, "
+              << failed << " failed ===\n";
+    return failed == 0 ? 0 : 1;
+}

sprint5_plan.md

@@ -384,7 +384,7 @@ Final polish, documentation, and ecosystem features.
   release URL). Portable mode (no install, run from folder).
   *Modifies:* `installer/`
 
-- [ ] **Step 165: Sprint 5 integration tests**
+- [x] **Step 165: Sprint 5 integration tests**
   Comprehensive integration tests covering the full Sprint 5 feature set:
   1. Import library → API indexed → library-aware completion prioritizes imports
   2. Emacs daemon with user config → packages loaded → Elisp functions available