chore: strip pre-fork version comments across 72 files

Removes standalone "// v0.X.X:" comment lines and inline trailing
version annotations. Keeps version references in config field docs
and compatibility notes where they describe requirements.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

server/handlers/connections.go

@@ -1,6 +1,5 @@
 package handlers
 
-// v0.38.1: Extension connection handlers — personal scope + resolution.
 // Pattern follows apiconfigs.go (ProviderConfigHandler).
 
 import (
@@ -28,7 +27,6 @@ func NewConnectionHandler(s store.Stores, vault *crypto.KeyResolver) *Connection
 // ListConnections returns the user's personal connections.
 func (h *ConnectionHandler) ListConnections(c *gin.Context) {
 	userID := getUserID(c)
-	// v0.38.5: Show all accessible connections (personal + team + global)
 	// so users can see which connections are available to them.
 	conns, err := h.stores.Connections.ListAccessible(c.Request.Context(), userID)
 	if err != nil {