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

2 files changed, 20 insertions, 4 deletions

diff --git a/PROGRESS.md b/PROGRESS.md
index 77ef8ad..49ca216 100644
--- a/PROGRESS.md
+++ b/PROGRESS.md
@@ -2,7 +2,7 @@
 
 Tracking rebuilding ship for agent-first JSON interface.
 
-## Status: IN PROGRESS
+## Status: READY FOR TESTING
 
 ## Completed
 - [x] Design docs (SHIP_V2.md, SPEC.md)
@@ -21,8 +21,12 @@ Tracking rebuilding ship for agent-first JSON interface.
 - [x] Port allocation (server-side)
 
 ## Upcoming
-- [ ] Wire up v2 commands in main.go (feature flag or replace)
 - [ ] Testing with real deploys
+- [ ] Remove v1 code after validation
+
+## Wiring
+- v2 is now the default interface
+- Set `SHIP_V1=1` to use legacy v1 (human-formatted output)
 
 ## Completed Recently
 - [x] `ship list` - enumerate all deploys from /etc/ship/ports and /var/www
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)
         }
 }