update roadmap and ISA spec

docs/DSA_Project_Roadmap.md

@@ -263,12 +263,12 @@
   - [ ] Array syntax
   - [ ] Struct syntax
   - [x] Pointer syntax
-  - [ ] Namespaced call syntax
+  - [x] Namespaced call syntax
 - [x] AST node definitions
 - [ ] Error recovery mechanisms
 - [ ] Comprehensive parser tests
 - [ ] Syntax error message quality testing
-- [ ] Implement C frontend by moving lexer/parser from `c_compiler` to the new `compiler` project structure
+- [x] Implement C frontend by moving lexer/parser from `c_compiler` to the new `compiler` project structure
 - [ ] Evaluate possible memory management strategies (e.g., keep all variables on the stack vs spill only when calling functions)
 
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@@ -290,7 +290,7 @@
 - [ ] Optimize register allocation further
 - [x] Implement proper function calling conventions
 - [ ] Add constant folding optimization
-- [ ] Dead code elimination
+- [x] Dead code elimination
 - [ ] Test each feature thoroughly
 
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@@ -376,7 +376,7 @@
 **Dependencies:** None  
 **Deliverable:** `docs/build-system-design.md`
 
-- [ ] Define project structure conventions
+- [x] Define project structure conventions
 - [ ] Design build manifest format (`dsa-project.toml` or similar)
 - [ ] Dependency resolution strategy
 - [ ] Build cache design
@@ -391,12 +391,12 @@
 **Dependencies:** 3.1.1, 1.2.2, 1.1.3, 2.1.3  
 **Deliverable:** `dsa-build` executable
 
-- [ ] Create crate: `dsa-build`
+- [x] Create crate: `dsa-build`
 - [ ] Manifest parser
 - [ ] Dependency graph builder
 - [ ] Task orchestrator
-  - [ ] Compilation tasks
-  - [ ] Assembly tasks
+  - [x] Compilation tasks
+  - [x] Assembly tasks
   - [ ] Linking tasks
 - [ ] Build cache implementation
 - [ ] Parallel build support
@@ -412,11 +412,11 @@
 **Dependencies:** 3.1.2  
 **Deliverable:** Enhanced `dsa-build` with project management
 
-- [ ] `dsa new <project>` — Create new project
-- [ ] `dsa init` — Initialize in existing directory
+- [x] `dsa new <project>` — Create new project
+- [x] `dsa init` — Initialize in existing directory
 - [ ] `dsa add <dependency>` — Add dependency
 - [ ] Binary vs library project types
-- [ ] Template system for project scaffolding
+- [x] Template system for project scaffolding
 - [ ] Documentation for each command
 
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