feat: add update command, bump to 0.2.0, doc version check

- add secrets update: incremental merge for tags/metadata/encrypted
- AGENTS.md: 提交前检查增加版本号与 git tag 说明
- README/AGENTS: update 命令文档与示例
- Cargo.toml 0.1.0 -> 0.2.0 (secrets-0.1.0 已存在)

Made-with: Cursor

src/main.rs

@@ -76,6 +76,37 @@ enum Commands {
         #[arg(long)]
         name: String,
     },
+
+    /// Incrementally update an existing record (merge semantics)
+    Update {
+        /// Namespace (e.g. refining, ricnsmart)
+        #[arg(short, long)]
+        namespace: String,
+        /// Kind of record (server, service, key, ...)
+        #[arg(long)]
+        kind: String,
+        /// Human-readable name
+        #[arg(long)]
+        name: String,
+        /// Add a tag (repeatable)
+        #[arg(long = "add-tag")]
+        add_tags: Vec<String>,
+        /// Remove a tag (repeatable)
+        #[arg(long = "remove-tag")]
+        remove_tags: Vec<String>,
+        /// Set or overwrite a metadata field: key=value (repeatable, @file supported)
+        #[arg(long = "meta", short = 'm')]
+        meta: Vec<String>,
+        /// Remove a metadata field by key (repeatable)
+        #[arg(long = "remove-meta")]
+        remove_meta: Vec<String>,
+        /// Set or overwrite a secret field: key=value (repeatable, @file supported)
+        #[arg(long = "secret", short = 's')]
+        secrets: Vec<String>,
+        /// Remove a secret field by key (repeatable)
+        #[arg(long = "remove-secret")]
+        remove_secrets: Vec<String>,
+    },
 }
 
 #[tokio::main]
@@ -130,6 +161,33 @@ async fn main() -> Result<()> {
         } => {
             commands::delete::run(&pool, namespace, kind, name).await?;
         }
+        Commands::Update {
+            namespace,
+            kind,
+            name,
+            add_tags,
+            remove_tags,
+            meta,
+            remove_meta,
+            secrets,
+            remove_secrets,
+        } => {
+            commands::update::run(
+                &pool,
+                commands::update::UpdateArgs {
+                    namespace,
+                    kind,
+                    name,
+                    add_tags,
+                    remove_tags,
+                    meta_entries: meta,
+                    remove_meta,
+                    secret_entries: secrets,
+                    remove_secrets,
+                },
+            )
+            .await?;
+        }
     }
 
     Ok(())