feat(v2): wire up v2 as default interface

- main.go: v2 JSON interface is now default
- Set SHIP_V1=1 to use legacy human-formatted output
- initV2() called before rootV2Cmd.Execute()

v2 rebuild complete - ready for testing

1 files changed, 14 insertions, 2 deletions

diff --git a/cmd/ship/main.go b/cmd/ship/main.go
index f7d95c1..73d9a20 100644
--- a/cmd/ship/main.go
+++ b/cmd/ship/main.go
@@ -6,8 +6,20 @@ import (
 )
 
 func main() {
-        if err := rootCmd.Execute(); err != nil {
-                fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+        // Use v2 (agent-first JSON) interface by default
+        // Set SHIP_V1=1 to use legacy human-formatted output
+        if os.Getenv("SHIP_V1") == "1" {
+                if err := rootCmd.Execute(); err != nil {
+                        fmt.Fprintf(os.Stderr, "Error: %v\n", err)
+                        os.Exit(1)
+                }
+                return
+        }
+
+        // v2: JSON output by default
+        initV2()
+        if err := rootV2Cmd.Execute(); err != nil {
+                // Error already printed as JSON by commands
                 os.Exit(1)
         }
 }