ci: run make test on every PR and push to main

Add .github/workflows/ci.yml (Nim + gcc → make test). Keep selfhost-loop
as an optional/weekly job. Document CI layout; reformat hir_lower for fmt-check.

.github/workflows/ci.yml

@@ -0,0 +1,52 @@
+# Default PR / main CI: full `make test` (not selfhost fixed-point — see selfhost-loop.yml).
+name: ci
+
+on:
+  pull_request:
+  push:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ci-${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: make test
+    runs-on: ubuntu-latest
+    timeout-minutes: 90
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Nim
+        uses: jiro4989/setup-nim-action@v2
+        with:
+          nim-version: "2.0.x"
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install build deps
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y --no-install-recommends \
+            gcc make binutils libssl-dev python3
+
+      - name: Bootstrap + full test suite
+        env:
+          # Ensure registry / selfhost smokes see a clean env
+          BUX_NO_LINE: ""
+        run: |
+          unset BUX_DEBUG_FILE || true
+          unset BUX_SELFHOST_FIXED_POINT || true
+          make test
+
+      - name: Upload selfhost artifacts on failure
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: ci-failure-logs
+          path: |
+            build/selfhost/build/main.c
+            _test_tmp_pkg/**
+          if-no-files-found: ignore

.github/workflows/selfhost-loop.yml

@@ -1,13 +1,13 @@
 # Optional / not on every PR: bootstrap selfhost determinism (make selfhost-loop).
-# Triggers: manual, weekly, or push to main that touches compiler/stdlib/loop.
+# Default PR CI is .github/workflows/ci.yml (`make test`).
-# Fixed-point buxc2→buxc3 is opt-in via BUX_SELFHOST_FIXED_POINT=1 (experimental).
+# Fixed-point gen2 vs gen3: BUX_SELFHOST_FIXED_POINT=1 (workflow_dispatch input).
 name: selfhost-loop
 
 on:
   workflow_dispatch:
     inputs:
       fixed_point:
-        description: "Also run experimental buxc2→buxc3 fixed-point"
+        description: "Also run fixed-point buxc2→buxc3→buxc4 (gen2 vs gen3)"
         type: boolean
         default: false
   schedule:

README.md

@@ -318,7 +318,7 @@ make test-examples
 # Golden diagnostic tests (Rust-style error format)
 make test-errors
 
-# Full unit + example suite
+# Full unit + example suite (also run on every PR via GitHub Actions `ci.yml`)
 make test
 
 # Full-tree format check (lib/ examples/ src/ tests/ apps/)

docs/BuildAndTest.md

@@ -189,17 +189,25 @@ summary table and exits:
 
 Use `Std::Test` module for assertions inside test code.
 
+### Continuous integration
+```bash
+make test                          # what PR CI runs
+```
+| Workflow | When | Command |
+|----------|------|---------|
+| **`.github/workflows/ci.yml`** | every PR + push to `main` | `make test` |
+| **`.github/workflows/selfhost-loop.yml`** | weekly / manual / path-filtered main | `make selfhost-loop` |
+
+`make test` includes examples, goldens, registry, apps, DWARF, and selfhost smoke
+(not the slow gen2↔gen3 fixed-point).
+
 ### Selfhost loop (optional CI)
 ```bash
 make selfhost-loop                 # bootstrap builds src/ twice; C+ELF match
 BUX_SELFHOST_FIXED_POINT=1 make selfhost-loop   # buxc2→buxc3→buxc4 fixed-point
 ```
 Fixed-point compares **gen2 vs gen3** (same selfhost C backend), not bootstrap
-vs selfhost. Not part of default `make test`. GitHub Actions workflow
+vs selfhost. Not part of default `make test`.
-`.github/workflows/selfhost-loop.yml` runs the fast determinism check on:
-- manual `workflow_dispatch` (optional fixed_point input)
-- weekly schedule
-- pushes to `main` that touch `src/`, `lib/`, bootstrap, or the loop script
 
 ### Format (`bux fmt`)
 ```bash

docs/QUALITY_PLAN.md

@@ -1,7 +1,7 @@
 # Bux — План към „добър“ език (v0.5 → v1.0)
 
 > **Дата:** 2026-07-19  
-> **Текущо:** v0.5.x — **selfhost fixed-point green**, Expr/Stmt sourceFile, LSP 0.14  
+> **Текущо:** v0.5.x — **CI `make test`**, selfhost fixed-point, LSP 0.14  
 > **Цел:** Език, с който се пишат реални проекти комфортно, безопасно (по избор) и с надежден toolchain.
 
 ---
@@ -112,7 +112,7 @@ A (stdlib ergonomics)  →  B (compiler holes)  →  C (ownership depth)
 
 ## Acceptance criteria за „добър v1.0“
 
-- [ ] Всички examples + selfhost-loop + 3 apps минават на CI (apps: `make test-apps` ready)
+- [x] Всички examples + apps + selfhost smoke на CI (`make test` via `.github/workflows/ci.yml`); selfhost-loop optional
 - [ ] Array/Map/String/Test API покрива 90% от ежедневните нужди
 - [x] `@[Checked]` хваща use-after-move + double `&mut` + dangling return / elision fail
 - [x] `bux test` + `bux fmt` + `bux check` са default developer loop (`--filter` / `--check` shipped)
@@ -826,9 +826,21 @@ A (stdlib ergonomics)  →  B (compiler holes)  →  C (ownership depth)
 
 ---
 
+## Сесия 53 (main CI workflow — `make test`)
+
+1. **`.github/workflows/ci.yml`**
+   - triggers: `pull_request`, `push` to `main`, `workflow_dispatch`
+   - job: install Nim 2.0.x + gcc/make/ssl → **`make test`**
+   - timeout 90m; concurrency cancel-in-progress
+   - failure artifact: selfhost `main.c` (best-effort)
+2. **selfhost-loop.yml** remains optional (not on every PR)
+3. Docs: README / BuildAndTest / QUALITY_PLAN point to ci vs selfhost-loop
+
+---
+
 ## Следващи стъпки
 
-1. Main PR CI workflow (`make test`) beyond optional selfhost-loop
+1. LSP type hierarchy / prepareTypeHierarchy (optional)
-2. LSP type hierarchy / prepareTypeHierarchy (optional)
+2. Macro / quote hygiene using Expr.sourceFile grafts
-3. Macro / quote hygiene using Expr.sourceFile grafts
+3. Parenthesize binary ops in CBE for full C precedence safety
-4. Parenthesize binary ops in CBE for full C precedence safety
+4. CI matrix (macOS) or split jobs for faster PR feedback

src/hir_lower.bux

@@ -4134,7 +4134,7 @@ module HirLower {
                             var tn: String = ftype.typeName;
                             if ftype.typeArgCount >= 1 && !String_Eq(ftype.typeArgName0, "") {
                                 if String_Eq(tn, "Array") || String_Eq(tn, "Set") ||
-                                   String_Eq(tn, "Channel") || String_Eq(tn, "Iter") {
+                                String_Eq(tn, "Channel") || String_Eq(tn, "Iter") {
                                     tn = String_Concat(String_Concat(tn, "_"), ftype.typeArgName0);
                                 } else if String_Eq(tn, "Map") && ftype.typeArgCount >= 2 {
                                     tn = String_Concat(String_Concat(String_Concat("Map_", ftype.typeArgName0), "_"), ftype.typeArgName1);