fix(codeagent-wrapper): improve CI, version handling and temp dir

- CI: fetch tags for version detection
- Makefile: inject version via ldflags
- Add CODEAGENT_TMPDIR support for macOS permission issues
- Inject ANTHROPIC_BASE_URL/API_KEY for claude backend

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Co-Authored-By: SWE-Agent.ai <noreply@swe-agent.ai>

codeagent-wrapper/internal/app/app.go

@@ -9,8 +9,9 @@ import (
 	"time"
 )
 
+var version = "dev"
+
 const (
-	version               = "6.1.2"
 	defaultWorkdir        = "."
 	defaultTimeout        = 7200 // seconds (2 hours)
 	defaultCoverageTarget = 90.0