feat(go-agent): Ported retrieval node, added Keenable web search tool (#16396)

Ported retrieval node, added Keenable web search tool
- [x] New Feature (non-breaking change which adds functionality)

internal/cli/filesystem/skill_hub/security/patterns.go

@@ -18,7 +18,7 @@ package security
 
 // ThreatPattern represents a security threat detection pattern
 // Inspired by hermes-agent's skills_guard.py
- type ThreatPattern struct {
+type ThreatPattern struct {
 	Pattern     string // Regular expression pattern
 	PatternID   string // Unique identifier for this pattern
 	Severity    string // critical | high | medium | low
@@ -271,9 +271,9 @@ var TrustedRepos = map[string]bool{
 // Format: [safe, caution, dangerous] -> action
 // Actions: allow, block, ask
 var InstallPolicy = map[string][3]string{
-	"builtin":   {"allow", "allow", "allow"},    // Official skills: always allow
-	"trusted":   {"allow", "allow", "block"},    // Trusted repos: caution allowed, dangerous blocked
-	"community": {"allow", "block", "block"},    // Community: only safe allowed
+	"builtin":   {"allow", "allow", "allow"}, // Official skills: always allow
+	"trusted":   {"allow", "allow", "block"}, // Trusted repos: caution allowed, dangerous blocked
+	"community": {"allow", "block", "block"}, // Community: only safe allowed
 }
 
 // VerdictIndex maps verdict to array index

internal/cli/filesystem/skill_hub/security/scanner.go

@@ -36,8 +36,8 @@ type Finding struct {
 type ScanResult struct {
 	SkillName  string
 	Source     string
-	TrustLevel string   // builtin | trusted | community
-	Verdict    string   // safe | caution | dangerous
+	TrustLevel string // builtin | trusted | community
+	Verdict    string // safe | caution | dangerous
 	Findings   []Finding
 }