feat: improve logging for peer discovery and connection monitoring

AI_CONTEXT.md

@@ -120,11 +120,17 @@ Create a robust, decentralized network platform that enables applications to sea
 ```
 network/
 ├── cmd/                          # Executables
-│   ├── node/main.go              # Network node (bootstrap via flag/auto)
+│   ├── node/                     # Network node (bootstrap via flag/auto)
+│   │   ├── main.go               # Entrypoint
+│   │   └── configmap.go          # Centralized flags/env → config mapping (flags > env > defaults)
 │   └── cli/main.go               # Command-line interface
 ├── pkg/                          # Core packages
 │   ├── client/                   # Client API and implementations
-│   │   ├── client.go             # Main client implementation
+│   │   ├── client.go             # Main client (now slimmed)
+│   │   ├── connect_bootstrap.go  # Bootstrap helpers
+│   │   ├── discovery_aggressive.go # Generic aggressive discovery
+│   │   ├── monitoring.go         # Connection monitoring
+│   │   ├── pubsub_bridge.go      # PubSub adapter bridge
 │   │   ├── implementations.go    # Database, storage, network implementations
 │   │   └── interface.go          # Public API interfaces
 │   ├── config/                   # Configuration management
@@ -145,7 +151,10 @@ network/
 │   └── storage/                  # Distributed storage
 │       ├── client.go             # Storage client
 │       ├── protocol.go           # Storage protocol
-│       └── service.go            # Storage service
+│       ├── service.go            # Service (struct/ctor/Close)
+│       ├── rqlite_init.go        # Schema initialization
+│       ├── stream_handler.go     # Stream handling
+│       └── kv_ops.go             # KV operation handlers
 ├── anchat/                       # Example chat application
 │   ├── cmd/cli/main.go           # Chat CLI
 │   └── pkg/

README.md

@@ -460,6 +460,11 @@ Precedence: CLI flags > Environment variables > Code defaults. Set any of the fo
 - LOG_FORMAT: "json" | "console"
 - LOG_OUTPUT_FILE: path (empty = stdout)
 
+### Centralized Flag/Env Mapping
+
+Flag and environment variable mapping is centralized in `cmd/node/configmap.go` via `MapFlagsAndEnvToConfig`.
+This enforces precedence (flags > env > defaults) consistently across the node startup path.
+
 ## CLI Commands
 
 The CLI can still accept `--bootstrap <multiaddr>` to override discovery when needed.
@@ -511,6 +516,8 @@ The CLI can still accept `--bootstrap <multiaddr>` to override discovery when ne
 network/
 ├── cmd/
 │   ├── node/              # Network node (bootstrap via flag)
+│   │   ├── main.go        # Entrypoint
+│   │   └── configmap.go   # Centralized flags/env → config mapping
 │   └── cli/               # Command-line interface
 ├── pkg/
 │   ├── client/            # Client library

pkg/client/client.go

@@ -120,6 +120,16 @@ func (c *Client) Connect() error {
 
 	c.host = h
 
+    // Log host identity and listen addresses
+    addrs := c.host.Addrs()
+    addrStrs := make([]string, 0, len(addrs))
+    for _, a := range addrs { addrStrs = append(addrStrs, a.String()) }
+    c.logger.Info("LibP2P host created",
+        zap.String("peer_id", c.host.ID().String()),
+        zap.Int("listen_addr_count", len(addrStrs)),
+        zap.Strings("listen_addrs", addrStrs),
+    )
+
 	// Create LibP2P PubSub with enhanced discovery for Anchat
 	var ps *libp2ppubsub.PubSub
 	if c.config.AppName == "anchat" {
@@ -219,6 +229,8 @@ func (c *Client) Connect() error {
 
 	c.connected = true
 
+    c.logger.Info("Client connected", zap.String("namespace", c.getAppNamespace()))
+
 	return nil
 }
 
@@ -260,6 +272,8 @@ func (c *Client) Disconnect() error {
 
 	c.connected = false
 
+    c.logger.Info("Client disconnected")
+
 	return nil
 }
 

pkg/client/discovery_aggressive.go

@@ -17,8 +17,10 @@ func (c *Client) startAggressivePeerDiscovery() {
 		if !c.isConnected() { return }
 
 		connectedPeers := c.host.Network().Peers()
+		routingCount := 0
 		if c.dht != nil {
 			routingPeers := c.dht.RoutingTable().ListPeers()
+			routingCount = len(routingPeers)
 			for _, pid := range routingPeers {
 				if pid == c.host.ID() { continue }
 				already := false
@@ -28,7 +30,7 @@ func (c *Client) startAggressivePeerDiscovery() {
 					pi := c.host.Peerstore().PeerInfo(pid)
 					if len(pi.Addrs) > 0 {
 						if err := c.host.Connect(ctx, pi); err == nil {
-							c.logger.Debug("Connected to discovered peer", zap.String("peer", pid.String()[:8]+"..."))
+							c.logger.Debug("Connected to DHT peer", zap.String("peer", pid.String()))
 						}
 					}
 					cancel()
@@ -36,7 +38,11 @@ func (c *Client) startAggressivePeerDiscovery() {
 			}
 		}
 		if i%10 == 0 {
-			c.logger.Debug("Peer discovery status", zap.Int("iteration", i+1), zap.Int("connected_peers", len(connectedPeers)))
+			c.logger.Debug("Peer discovery status",
+				zap.Int("iteration", i+1),
+				zap.Int("connected_peers", len(connectedPeers)),
+				zap.Int("routing_peers", routingCount),
+			)
 		}
 	}
 }

pkg/client/monitoring.go

@@ -1,6 +1,8 @@
 package client
 
-import "time"
+import (
+	"time"
+)
 
 // startConnectionMonitoring monitors connection health and logs status
 func (c *Client) startConnectionMonitoring() {
@@ -8,8 +10,10 @@ func (c *Client) startConnectionMonitoring() {
 		ticker := time.NewTicker(30 * time.Second)
 		defer ticker.Stop()
 
+		c.logger.Debug("Connection monitoring started")
 		for range ticker.C {
 			if !c.isConnected() {
+				c.logger.Debug("Connection monitoring stopped: client disconnected")
 				return
 			}