Fix gh-aw binary availability for user-defined steps in dev mode workflows

pkg/workflow/compiler_yaml_main_job.go

@@ -661,6 +661,9 @@ func (c *Compiler) generateDevModeCLIBuildSteps(yaml *strings.Builder) {
 	yaml.WriteString("            -ldflags \"-s -w -X main.version=${VERSION}\" \\\n")
 	yaml.WriteString("            -o dist/gh-aw-linux-amd64 \\\n")
 	yaml.WriteString("            ./cmd/gh-aw\n")
+	yaml.WriteString("          # Copy binary to root for direct execution in user-defined steps\n")
+	yaml.WriteString("          cp dist/gh-aw-linux-amd64 ./gh-aw\n")
+	yaml.WriteString("          chmod +x ./gh-aw\n")
 	yaml.WriteString("          echo \"✓ Built gh-aw CLI successfully\"\n")
 
 	// Step 3: Setup Docker Buildx

pkg/workflow/mcp_config_compilation_test.go

@@ -285,6 +285,14 @@ This workflow tests that agentic-workflows uses the correct container in dev mod
 					}
 				}
 
+				// Verify binary copy step for user-defined steps that execute ./gh-aw
+				if !strings.Contains(string(lockContent), "cp dist/gh-aw-linux-amd64 ./gh-aw") {
+					t.Error("Expected 'cp dist/gh-aw-linux-amd64 ./gh-aw' in dev mode build step")
+				}
+				if !strings.Contains(string(lockContent), "chmod +x ./gh-aw") {
+					t.Error("Expected 'chmod +x ./gh-aw' in dev mode build step")
+				}
+
 				// Verify NO entrypoint field (uses container's default ENTRYPOINT)
 				if strings.Contains(string(lockContent), `"entrypoint"`) {
 					t.Error("Did not expect entrypoint field in dev mode (uses container's ENTRYPOINT)")