fix bot --user

src/commands/bot.rs

@@ -1,7 +1,7 @@
 use anyhow::{Context, Result};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use std::collections::HashSet;
+use std::collections::{HashMap, HashSet};
 use std::fs;
 use std::path::PathBuf;
 use std::process::Stdio;
@@ -27,7 +27,7 @@ struct ClaudeSession {
 
 impl ClaudeSession {
     /// Spawn a persistent claude process with stream-json I/O
-    async fn spawn() -> Result<Self> {
+    async fn spawn(user_mode: bool) -> Result<Self> {
         // Run claude inside a dedicated directory under config
         let work_dir = dirs::config_dir()
             .context("Could not find config directory")?
@@ -39,15 +39,50 @@ impl ClaudeSession {
         let rules_path = work_dir.join("CLAUDE.md");
         fs::write(&rules_path, BOT_RULES)?;
 
-        eprintln!("bot: claude working directory = {}", work_dir.display());
+        // Manage settings.json: create in user mode, remove otherwise
+        let settings_dir = work_dir.join(".claude");
+        let settings_path = settings_dir.join("settings.json");
+        if user_mode {
+            fs::create_dir_all(&settings_dir)?;
+            let settings = serde_json::json!({
+                "permissions": {
+                    "deny": [
+                        "Bash",
+                        "Edit(.claude/**)",
+                        "Write(.claude/**)",
+                        "Edit(.mcp.json)",
+                        "Write(.mcp.json)"
+                    ],
+                    "allow": [
+                        "Read",
+                        "Glob",
+                        "Grep"
+                    ]
+                }
+            });
+            fs::write(&settings_path, serde_json::to_string_pretty(&settings)?)?;
+        } else {
+            // Remove restrictive settings from previous --user run
+            let _ = fs::remove_file(&settings_path);
+        }
 
-        let mut child = tokio::process::Command::new("claude")
-            .arg("--input-format")
+        eprintln!("bot: claude working directory = {}", work_dir.display());
+        eprintln!("bot: user_mode = {}", user_mode);
+
+        let mut cmd = tokio::process::Command::new("claude");
+        cmd.arg("--input-format")
             .arg("stream-json")
             .arg("--output-format")
             .arg("stream-json")
-            .arg("--verbose")
-            .arg("--dangerously-skip-permissions")
+            .arg("--verbose");
+
+        if user_mode {
+            cmd.arg("--permission-mode").arg("dontAsk");
+        } else {
+            cmd.arg("--dangerously-skip-permissions");
+        }
+
+        let mut child = cmd
             .current_dir(&work_dir)
             .stdin(Stdio::piped())
             .stdout(Stdio::piped())
@@ -187,6 +222,9 @@ struct BotState {
     /// Timestamp of the last seen notification
     #[serde(default)]
     last_seen: Option<String>,
+    /// Per-user daily message counts: DID -> (date "YYYY-MM-DD", count)
+    #[serde(default)]
+    user_counts: HashMap<String, (String, u32)>,
 }
 
 /// Parsed notification for processing
@@ -242,6 +280,33 @@ fn load_admin_did() -> Result<String> {
         .context("config.json missing 'did' field")
 }
 
+/// Load daily rate limit from config.json (bot.limit, default 3)
+fn load_user_limit() -> u32 {
+    token::load_config()
+        .ok()
+        .and_then(|c| c["bot"]["limit"].as_u64())
+        .unwrap_or(3) as u32
+}
+
+/// Check if a user is within daily rate limit. Returns true if allowed.
+/// Increments count on success.
+fn check_rate_limit(state: &mut BotState, did: &str, limit: u32) -> bool {
+    let today = chrono::Utc::now().format("%Y-%m-%d").to_string();
+    let entry = state.user_counts.entry(did.to_string()).or_insert_with(|| (today.clone(), 0));
+
+    // Reset if new day
+    if entry.0 != today {
+        *entry = (today, 0);
+    }
+
+    if entry.1 >= limit {
+        false
+    } else {
+        entry.1 += 1;
+        true
+    }
+}
+
 /// Fetch notifications using the bot session
 async fn fetch_notifications(
     client: &XrpcClient,
@@ -340,20 +405,22 @@ async fn post_reply(
 }
 
 /// Main bot entry point
-pub async fn start(interval_secs: u64) -> Result<()> {
+pub async fn start(interval_secs: u64, user_mode: bool) -> Result<()> {
     let admin_did = load_admin_did()?;
+    let user_limit = if user_mode { load_user_limit() } else { 0 };
     eprintln!("bot: admin DID = {}", admin_did);
+    eprintln!("bot: user_mode = {}, limit = {}/day", user_mode, user_limit);
     eprintln!("bot: polling interval = {}s", interval_secs);
 
     let mut state = load_state();
 
     // Spawn persistent Claude session
-    let mut session = ClaudeSession::spawn().await?;
+    let mut session = ClaudeSession::spawn(user_mode).await?;
     eprintln!("bot: claude session started");
     eprintln!("bot: starting notification loop...");
 
     loop {
-        if let Err(e) = poll_once(&admin_did, &mut state, &mut session).await {
+        if let Err(e) = poll_once(&admin_did, &mut state, &mut session, user_mode, user_limit).await {
             eprintln!("bot: poll error: {}", e);
         }
         tokio::time::sleep(std::time::Duration::from_secs(interval_secs)).await;
@@ -365,6 +432,8 @@ async fn poll_once(
     admin_did: &str,
     state: &mut BotState,
     claude: &mut ClaudeSession,
+    user_mode: bool,
+    user_limit: u32,
 ) -> Result<()> {
     // Refresh bot session
     let session = auth::refresh_bot_session().await?;
@@ -403,12 +472,22 @@ async fn poll_once(
             }
         }
 
-        // Admin filter: only respond to admin
         let author_did = match notif["author"]["did"].as_str() {
             Some(d) => d,
             None => continue,
         };
-        if author_did != admin_did {
+
+        if author_did == admin_did {
+            // Admin: always pass
+        } else if user_mode {
+            // User mode: check rate limit
+            if !check_rate_limit(state, author_did, user_limit) {
+                eprintln!("bot: rate limited user {} (limit {}/day)", author_did, user_limit);
+                state.processed.insert(uri.to_string());
+                continue;
+            }
+        } else {
+            // Admin-only mode: skip non-admin
             continue;
         }
 
@@ -437,7 +516,7 @@ async fn poll_once(
             Err(e) => {
                 eprintln!("bot: claude error: {}, respawning session...", e);
                 // Try to respawn session
-                match ClaudeSession::spawn().await {
+                match ClaudeSession::spawn(user_mode).await {
                     Ok(new_session) => {
                         *claude = new_session;
                         eprintln!("bot: claude session respawned");
@@ -584,7 +663,7 @@ pub async fn start_chat(interval_secs: u64) -> Result<()> {
     let mut state = load_chat_state();
 
     // Spawn persistent Claude session
-    let mut claude = ClaudeSession::spawn().await?;
+    let mut claude = ClaudeSession::spawn(false).await?;
     eprintln!("chat-bot: claude session started");
     eprintln!("chat-bot: starting chat poll loop...");
 
@@ -692,7 +771,7 @@ async fn chat_poll_once(
             Ok(r) => r,
             Err(e) => {
                 eprintln!("chat-bot: claude error: {}, respawning...", e);
-                match ClaudeSession::spawn().await {
+                match ClaudeSession::spawn(false).await {
                     Ok(new_session) => {
                         *claude = new_session;
                         match claude.send(text).await {