feat: unify scheduled tasks from #337 and #338 with security-first integration

Unifies scheduled task capabilities and consolidates overlapping implementations from #337 and #338 into a single security-first integration path.\n\nCo-authored-by: Edvard <ecschoye@stud.ntnu.no>\nCo-authored-by: stawky <stakeswky@gmail.com>

src/agent/loop_.rs

@@ -598,6 +598,7 @@ pub async fn run(
         &config.workspace_dir,
         &config.agents,
         config.api_key.as_deref(),
+        &config,
     );
 
     // ── Resolve provider ─────────────────────────────────────────
@@ -672,6 +673,10 @@ pub async fn run(
             "Execute actions on 1000+ apps via Composio (Gmail, Notion, GitHub, Slack, etc.). Use action='list' to discover, 'execute' to run, 'connect' to OAuth.",
         ));
     }
+    tool_descs.push((
+        "schedule",
+        "Manage scheduled tasks (create/list/get/cancel/pause/resume). Supports recurring cron and one-shot delays.",
+    ));
     if !config.agents.is_empty() {
         tool_descs.push((
             "delegate",

src/channels/mod.rs

@@ -730,6 +730,7 @@ pub async fn start_channels(config: Config) -> Result<()> {
         &config.workspace_dir,
         &config.agents,
         config.api_key.as_deref(),
+        &config,
     ));
 
     // Build system prompt from workspace identity files + skills
@@ -776,6 +777,10 @@ pub async fn start_channels(config: Config) -> Result<()> {
             "Execute actions on 1000+ apps via Composio (Gmail, Notion, GitHub, Slack, etc.). Use action='list' to discover, 'execute' to run, 'connect' to OAuth.",
         ));
     }
+    tool_descs.push((
+        "schedule",
+        "Manage scheduled tasks (create/list/get/cancel/pause/resume). Supports recurring cron and one-shot delays.",
+    ));
     if !config.agents.is_empty() {
         tool_descs.push((
             "delegate",

src/config/mod.rs

@@ -6,8 +6,8 @@ pub use schema::{
     DelegateAgentConfig, DiscordConfig, DockerRuntimeConfig, GatewayConfig, HeartbeatConfig,
     HttpRequestConfig, IMessageConfig, IdentityConfig, LarkConfig, MatrixConfig, MemoryConfig,
     ModelRouteConfig, ObservabilityConfig, ReliabilityConfig, ResourceLimitsConfig, RuntimeConfig,
-    SandboxBackend, SandboxConfig, SecretsConfig, SecurityConfig, SlackConfig, TelegramConfig,
+    SandboxBackend, SandboxConfig, SchedulerConfig, SecretsConfig, SecurityConfig, SlackConfig,
-    TunnelConfig, WebhookConfig,
+    TelegramConfig, TunnelConfig, WebhookConfig,
 };
 
 #[cfg(test)]

src/config/schema.rs

@@ -34,6 +34,9 @@ pub struct Config {
     #[serde(default)]
     pub reliability: ReliabilityConfig,
 
+    #[serde(default)]
+    pub scheduler: SchedulerConfig,
+
     /// Model routing rules — route `hint:<name>` to specific provider+model combos.
     #[serde(default)]
     pub model_routes: Vec<ModelRouteConfig>,
@@ -697,6 +700,43 @@ impl Default for ReliabilityConfig {
     }
 }
 
+// ── Scheduler ────────────────────────────────────────────────────
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct SchedulerConfig {
+    /// Enable the built-in scheduler loop.
+    #[serde(default = "default_scheduler_enabled")]
+    pub enabled: bool,
+    /// Maximum number of persisted scheduled tasks.
+    #[serde(default = "default_scheduler_max_tasks")]
+    pub max_tasks: usize,
+    /// Maximum tasks executed per scheduler polling cycle.
+    #[serde(default = "default_scheduler_max_concurrent")]
+    pub max_concurrent: usize,
+}
+
+fn default_scheduler_enabled() -> bool {
+    true
+}
+
+fn default_scheduler_max_tasks() -> usize {
+    64
+}
+
+fn default_scheduler_max_concurrent() -> usize {
+    4
+}
+
+impl Default for SchedulerConfig {
+    fn default() -> Self {
+        Self {
+            enabled: default_scheduler_enabled(),
+            max_tasks: default_scheduler_max_tasks(),
+            max_concurrent: default_scheduler_max_concurrent(),
+        }
+    }
+}
+
 // ── Model routing ────────────────────────────────────────────────
 
 /// Route a task hint to a specific provider + model.
@@ -1148,6 +1188,7 @@ impl Default for Config {
             autonomy: AutonomyConfig::default(),
             runtime: RuntimeConfig::default(),
             reliability: ReliabilityConfig::default(),
+            scheduler: SchedulerConfig::default(),
             model_routes: Vec::new(),
             heartbeat: HeartbeatConfig::default(),
             channels_config: ChannelsConfig::default(),
@@ -1485,6 +1526,7 @@ mod tests {
                 ..RuntimeConfig::default()
             },
             reliability: ReliabilityConfig::default(),
+            scheduler: SchedulerConfig::default(),
             model_routes: Vec::new(),
             heartbeat: HeartbeatConfig {
                 enabled: true,
@@ -1578,6 +1620,7 @@ default_temperature = 0.7
             autonomy: AutonomyConfig::default(),
             runtime: RuntimeConfig::default(),
             reliability: ReliabilityConfig::default(),
+            scheduler: SchedulerConfig::default(),
             model_routes: Vec::new(),
             heartbeat: HeartbeatConfig::default(),
             channels_config: ChannelsConfig::default(),

src/cron/mod.rs

@@ -16,6 +16,8 @@ pub struct CronJob {
     pub next_run: DateTime<Utc>,
     pub last_run: Option<DateTime<Utc>>,
     pub last_status: Option<String>,
+    pub paused: bool,
+    pub one_shot: bool,
 }
 
 #[allow(clippy::needless_pass_by_value)]
@@ -27,6 +29,7 @@ pub fn handle_command(command: crate::CronCommands, config: &Config) -> Result<(
                 println!("No scheduled tasks yet.");
                 println!("\nUsage:");
                 println!("  zeroclaw cron add '0 9 * * *' 'agent -m \"Good morning!\"'");
+                println!("  zeroclaw cron once 30m 'echo reminder'");
                 return Ok(());
             }
 
@@ -36,13 +39,20 @@ pub fn handle_command(command: crate::CronCommands, config: &Config) -> Result<(
                     .last_run
                     .map_or_else(|| "never".into(), |d| d.to_rfc3339());
                 let last_status = job.last_status.unwrap_or_else(|| "n/a".into());
+                let flags = match (job.paused, job.one_shot) {
+                    (true, true) => " [paused, one-shot]",
+                    (true, false) => " [paused]",
+                    (false, true) => " [one-shot]",
+                    (false, false) => "",
+                };
                 println!(
-                    "- {} | {} | next={} | last={} ({})\n    cmd: {}",
+                    "- {} | {} | next={} | last={} ({}){}\n    cmd: {}",
                     job.id,
                     job.expression,
                     job.next_run.to_rfc3339(),
                     last_run,
                     last_status,
+                    flags,
                     job.command
                 );
             }
@@ -59,19 +69,41 @@ pub fn handle_command(command: crate::CronCommands, config: &Config) -> Result<(
             println!("  Cmd : {}", job.command);
             Ok(())
         }
-        crate::CronCommands::Remove { id } => remove_job(config, &id),
+        crate::CronCommands::Once { delay, command } => {
+            let job = add_once(config, &delay, &command)?;
+            println!("✅ Added one-shot task {}", job.id);
+            println!("  Runs at: {}", job.next_run.to_rfc3339());
+            println!("  Cmd    : {}", job.command);
+            Ok(())
+        }
+        crate::CronCommands::Remove { id } => {
+            remove_job(config, &id)?;
+            println!("✅ Removed cron job {id}");
+            Ok(())
+        }
+        crate::CronCommands::Pause { id } => {
+            pause_job(config, &id)?;
+            println!("⏸️  Paused job {id}");
+            Ok(())
+        }
+        crate::CronCommands::Resume { id } => {
+            resume_job(config, &id)?;
+            println!("▶️  Resumed job {id}");
+            Ok(())
+        }
     }
 }
 
 pub fn add_job(config: &Config, expression: &str, command: &str) -> Result<CronJob> {
+    check_max_tasks(config)?;
     let now = Utc::now();
     let next_run = next_run_for(expression, now)?;
     let id = Uuid::new_v4().to_string();
 
     with_connection(config, |conn| {
         conn.execute(
-            "INSERT INTO cron_jobs (id, expression, command, created_at, next_run)
+            "INSERT INTO cron_jobs (id, expression, command, created_at, next_run, paused, one_shot)
-             VALUES (?1, ?2, ?3, ?4, ?5)",
+             VALUES (?1, ?2, ?3, ?4, ?5, 0, 0)",
             params![
                 id,
                 expression,
@@ -91,43 +123,169 @@ pub fn add_job(config: &Config, expression: &str, command: &str) -> Result<CronJ
         next_run,
         last_run: None,
         last_status: None,
+        paused: false,
+        one_shot: false,
     })
 }
 
+pub fn add_one_shot_job(config: &Config, run_at: DateTime<Utc>, command: &str) -> Result<CronJob> {
+    add_one_shot_job_with_expression(config, run_at, command, "@once".to_string())
+}
+
+pub fn add_once(config: &Config, delay: &str, command: &str) -> Result<CronJob> {
+    let duration = parse_duration(delay)?;
+    let run_at = Utc::now() + duration;
+    add_one_shot_job_with_expression(config, run_at, command, format!("@once:{delay}"))
+}
+
+pub fn add_once_at(config: &Config, at: DateTime<Utc>, command: &str) -> Result<CronJob> {
+    add_one_shot_job_with_expression(config, at, command, format!("@at:{}", at.to_rfc3339()))
+}
+
+fn add_one_shot_job_with_expression(
+    config: &Config,
+    run_at: DateTime<Utc>,
+    command: &str,
+    expression: String,
+) -> Result<CronJob> {
+    check_max_tasks(config)?;
+    let now = Utc::now();
+    if run_at <= now {
+        anyhow::bail!("Scheduled time must be in the future");
+    }
+
+    let id = Uuid::new_v4().to_string();
+
+    with_connection(config, |conn| {
+        conn.execute(
+            "INSERT INTO cron_jobs (id, expression, command, created_at, next_run, paused, one_shot)
+             VALUES (?1, ?2, ?3, ?4, ?5, 0, 1)",
+            params![id, expression, command, now.to_rfc3339(), run_at.to_rfc3339()],
+        )
+        .context("Failed to insert one-shot task")?;
+        Ok(())
+    })?;
+
+    Ok(CronJob {
+        id,
+        expression,
+        command: command.to_string(),
+        next_run: run_at,
+        last_run: None,
+        last_status: None,
+        paused: false,
+        one_shot: true,
+    })
+}
+
+pub fn get_job(config: &Config, id: &str) -> Result<Option<CronJob>> {
+    with_connection(config, |conn| {
+        let mut stmt = conn.prepare(
+            "SELECT id, expression, command, next_run, last_run, last_status, paused, one_shot
+             FROM cron_jobs WHERE id = ?1",
+        )?;
+
+        let mut rows = stmt.query_map(params![id], |row| Ok(parse_job_row(row)))?;
+
+        match rows.next() {
+            Some(Ok(job_result)) => Ok(Some(job_result?)),
+            Some(Err(e)) => Err(e.into()),
+            None => Ok(None),
+        }
+    })
+}
+
+pub fn pause_job(config: &Config, id: &str) -> Result<()> {
+    let changed = with_connection(config, |conn| {
+        conn.execute("UPDATE cron_jobs SET paused = 1 WHERE id = ?1", params![id])
+            .context("Failed to pause cron job")
+    })?;
+
+    if changed == 0 {
+        anyhow::bail!("Cron job '{id}' not found");
+    }
+
+    Ok(())
+}
+
+pub fn resume_job(config: &Config, id: &str) -> Result<()> {
+    let changed = with_connection(config, |conn| {
+        conn.execute("UPDATE cron_jobs SET paused = 0 WHERE id = ?1", params![id])
+            .context("Failed to resume cron job")
+    })?;
+
+    if changed == 0 {
+        anyhow::bail!("Cron job '{id}' not found");
+    }
+
+    Ok(())
+}
+
+fn check_max_tasks(config: &Config) -> Result<()> {
+    let count = with_connection(config, |conn| {
+        let mut stmt = conn.prepare("SELECT COUNT(*) FROM cron_jobs")?;
+        let count: i64 = stmt.query_row([], |row| row.get(0))?;
+        usize::try_from(count).context("Unexpected negative task count")
+    })?;
+
+    if count >= config.scheduler.max_tasks {
+        anyhow::bail!(
+            "Maximum number of scheduled tasks ({}) reached",
+            config.scheduler.max_tasks
+        );
+    }
+
+    Ok(())
+}
+
+fn parse_duration(input: &str) -> Result<chrono::Duration> {
+    let input = input.trim();
+    if input.is_empty() {
+        anyhow::bail!("Empty delay string");
+    }
+
+    let (num_str, unit) = if input.ends_with(|c: char| c.is_ascii_alphabetic()) {
+        let split = input.len() - 1;
+        (&input[..split], &input[split..])
+    } else {
+        (input, "m")
+    };
+
+    let n: u64 = num_str
+        .trim()
+        .parse()
+        .with_context(|| format!("Invalid duration number: {num_str}"))?;
+
+    let multiplier: u64 = match unit {
+        "s" => 1,
+        "m" => 60,
+        "h" => 3600,
+        "d" => 86400,
+        "w" => 604_800,
+        _ => anyhow::bail!("Unknown duration unit '{unit}', expected s/m/h/d/w"),
+    };
+
+    let secs = n
+        .checked_mul(multiplier)
+        .filter(|&s| i64::try_from(s).is_ok())
+        .ok_or_else(|| anyhow::anyhow!("Duration value too large: {input}"))?;
+
+    #[allow(clippy::cast_possible_wrap)]
+    Ok(chrono::Duration::seconds(secs as i64))
+}
+
 pub fn list_jobs(config: &Config) -> Result<Vec<CronJob>> {
     with_connection(config, |conn| {
         let mut stmt = conn.prepare(
-            "SELECT id, expression, command, next_run, last_run, last_status
+            "SELECT id, expression, command, next_run, last_run, last_status, paused, one_shot
              FROM cron_jobs ORDER BY next_run ASC",
         )?;
 
-        let rows = stmt.query_map([], |row| {
+        let rows = stmt.query_map([], |row| Ok(parse_job_row(row)))?;
-            let next_run_raw: String = row.get(3)?;
-            let last_run_raw: Option<String> = row.get(4)?;
-            Ok((
-                row.get::<_, String>(0)?,
-                row.get::<_, String>(1)?,
-                row.get::<_, String>(2)?,
-                next_run_raw,
-                last_run_raw,
-                row.get::<_, Option<String>>(5)?,
-            ))
-        })?;
 
         let mut jobs = Vec::new();
         for row in rows {
-            let (id, expression, command, next_run_raw, last_run_raw, last_status) = row?;
+            jobs.push(row??);
-            jobs.push(CronJob {
-                id,
-                expression,
-                command,
-                next_run: parse_rfc3339(&next_run_raw)?,
-                last_run: match last_run_raw {
-                    Some(raw) => Some(parse_rfc3339(&raw)?),
-                    None => None,
-                },
-                last_status,
-            });
         }
         Ok(jobs)
     })
@@ -143,44 +301,21 @@ pub fn remove_job(config: &Config, id: &str) -> Result<()> {
         anyhow::bail!("Cron job '{id}' not found");
     }
 
-    println!("✅ Removed cron job {id}");
     Ok(())
 }
 
 pub fn due_jobs(config: &Config, now: DateTime<Utc>) -> Result<Vec<CronJob>> {
     with_connection(config, |conn| {
         let mut stmt = conn.prepare(
-            "SELECT id, expression, command, next_run, last_run, last_status
+            "SELECT id, expression, command, next_run, last_run, last_status, paused, one_shot
-             FROM cron_jobs WHERE next_run <= ?1 ORDER BY next_run ASC",
+             FROM cron_jobs WHERE next_run <= ?1 AND paused = 0 ORDER BY next_run ASC",
         )?;
 
-        let rows = stmt.query_map(params![now.to_rfc3339()], |row| {
+        let rows = stmt.query_map(params![now.to_rfc3339()], |row| Ok(parse_job_row(row)))?;
-            let next_run_raw: String = row.get(3)?;
-            let last_run_raw: Option<String> = row.get(4)?;
-            Ok((
-                row.get::<_, String>(0)?,
-                row.get::<_, String>(1)?,
-                row.get::<_, String>(2)?,
-                next_run_raw,
-                last_run_raw,
-                row.get::<_, Option<String>>(5)?,
-            ))
-        })?;
 
         let mut jobs = Vec::new();
         for row in rows {
-            let (id, expression, command, next_run_raw, last_run_raw, last_status) = row?;
+            jobs.push(row??);
-            jobs.push(CronJob {
-                id,
-                expression,
-                command,
-                next_run: parse_rfc3339(&next_run_raw)?,
-                last_run: match last_run_raw {
-                    Some(raw) => Some(parse_rfc3339(&raw)?),
-                    None => None,
-                },
-                last_status,
-            });
         }
         Ok(jobs)
     })
@@ -192,6 +327,15 @@ pub fn reschedule_after_run(
     success: bool,
     output: &str,
 ) -> Result<()> {
+    if job.one_shot {
+        with_connection(config, |conn| {
+            conn.execute("DELETE FROM cron_jobs WHERE id = ?1", params![job.id])
+                .context("Failed to remove one-shot task after execution")?;
+            Ok(())
+        })?;
+        return Ok(());
+    }
+
     let now = Utc::now();
     let next_run = next_run_for(&job.expression, now)?;
     let status = if success { "ok" } else { "error" };
@@ -229,9 +373,7 @@ fn normalize_expression(expression: &str) -> Result<String> {
     let field_count = expression.split_whitespace().count();
 
     match field_count {
-        // standard crontab syntax: minute hour day month weekday
         5 => Ok(format!("0 {expression}")),
-        // crate-native syntax includes seconds (+ optional year)
         6 | 7 => Ok(expression.to_string()),
         _ => anyhow::bail!(
             "Invalid cron expression: {expression} (expected 5, 6, or 7 fields, got {field_count})"
@@ -239,6 +381,31 @@ fn normalize_expression(expression: &str) -> Result<String> {
     }
 }
 
+fn parse_job_row(row: &rusqlite::Row<'_>) -> Result<CronJob> {
+    let id: String = row.get(0)?;
+    let expression: String = row.get(1)?;
+    let command: String = row.get(2)?;
+    let next_run_raw: String = row.get(3)?;
+    let last_run_raw: Option<String> = row.get(4)?;
+    let last_status: Option<String> = row.get(5)?;
+    let paused: bool = row.get(6)?;
+    let one_shot: bool = row.get(7)?;
+
+    Ok(CronJob {
+        id,
+        expression,
+        command,
+        next_run: parse_rfc3339(&next_run_raw)?,
+        last_run: match last_run_raw {
+            Some(raw) => Some(parse_rfc3339(&raw)?),
+            None => None,
+        },
+        last_status,
+        paused,
+        one_shot,
+    })
+}
+
 fn parse_rfc3339(raw: &str) -> Result<DateTime<Utc>> {
     let parsed = DateTime::parse_from_rfc3339(raw)
         .with_context(|| format!("Invalid RFC3339 timestamp in cron DB: {raw}"))?;
@@ -255,7 +422,6 @@ fn with_connection<T>(config: &Config, f: impl FnOnce(&Connection) -> Result<T>)
     let conn = Connection::open(&db_path)
         .with_context(|| format!("Failed to open cron DB: {}", db_path.display()))?;
 
-    // ── Production-grade PRAGMA tuning ──────────────────────
     conn.execute_batch(
         "PRAGMA journal_mode = WAL;
          PRAGMA synchronous  = NORMAL;
@@ -274,12 +440,19 @@ fn with_connection<T>(config: &Config, f: impl FnOnce(&Connection) -> Result<T>)
             next_run    TEXT NOT NULL,
             last_run    TEXT,
             last_status TEXT,
-            last_output TEXT
+            last_output TEXT,
+            paused      INTEGER NOT NULL DEFAULT 0,
+            one_shot    INTEGER NOT NULL DEFAULT 0
         );
         CREATE INDEX IF NOT EXISTS idx_cron_jobs_next_run ON cron_jobs(next_run);",
     )
     .context("Failed to initialize cron schema")?;
 
+    for column in ["paused", "one_shot"] {
+        let alter = format!("ALTER TABLE cron_jobs ADD COLUMN {column} INTEGER NOT NULL DEFAULT 0");
+        let _ = conn.execute_batch(&alter);
+    }
+
     f(&conn)
 }
 
@@ -309,6 +482,8 @@ mod tests {
 
         assert_eq!(job.expression, "*/5 * * * *");
         assert_eq!(job.command, "echo ok");
+        assert!(!job.one_shot);
+        assert!(!job.paused);
     }
 
     #[test]
@@ -335,18 +510,72 @@ mod tests {
     }
 
     #[test]
-    fn due_jobs_filters_by_timestamp() {
+    fn add_once_creates_one_shot_job() {
         let tmp = TempDir::new().unwrap();
         let config = test_config(&tmp);
 
-        let _job = add_job(&config, "* * * * *", "echo due").unwrap();
+        let job = add_once(&config, "30m", "echo once").unwrap();
+        assert!(job.one_shot);
+        assert!(job.expression.starts_with("@once:"));
+
+        let fetched = get_job(&config, &job.id).unwrap().unwrap();
+        assert!(fetched.one_shot);
+        assert!(!fetched.paused);
+    }
+
+    #[test]
+    fn add_once_at_rejects_past_timestamp() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let run_at = Utc::now() - ChronoDuration::minutes(1);
+        let err = add_once_at(&config, run_at, "echo past").unwrap_err();
+        assert!(err.to_string().contains("future"));
+    }
+
+    #[test]
+    fn get_job_found_and_missing() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let job = add_job(&config, "*/5 * * * *", "echo found").unwrap();
+        let found = get_job(&config, &job.id).unwrap();
+        assert!(found.is_some());
+        assert_eq!(found.unwrap().id, job.id);
+
+        let missing = get_job(&config, "nonexistent").unwrap();
+        assert!(missing.is_none());
+    }
+
+    #[test]
+    fn pause_resume_roundtrip() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let job = add_job(&config, "*/5 * * * *", "echo pause").unwrap();
+        pause_job(&config, &job.id).unwrap();
+        assert!(get_job(&config, &job.id).unwrap().unwrap().paused);
+
+        resume_job(&config, &job.id).unwrap();
+        assert!(!get_job(&config, &job.id).unwrap().unwrap().paused);
+    }
+
+    #[test]
+    fn due_jobs_filters_by_timestamp_and_skips_paused() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let active = add_job(&config, "* * * * *", "echo due").unwrap();
+        let paused = add_job(&config, "* * * * *", "echo paused").unwrap();
+        pause_job(&config, &paused.id).unwrap();
 
         let due_now = due_jobs(&config, Utc::now()).unwrap();
-        assert!(due_now.is_empty(), "new job should not be due immediately");
+        assert!(due_now.is_empty(), "new jobs should not be due immediately");
 
         let far_future = Utc::now() + ChronoDuration::days(365);
         let due_future = due_jobs(&config, far_future).unwrap();
-        assert_eq!(due_future.len(), 1, "job should be due in far future");
+        assert_eq!(due_future.len(), 1);
+        assert_eq!(due_future[0].id, active.id);
     }
 
     #[test]
@@ -362,4 +591,67 @@ mod tests {
         assert_eq!(stored.last_status.as_deref(), Some("error"));
         assert!(stored.last_run.is_some());
     }
+
+    #[test]
+    fn reschedule_after_run_removes_one_shot_jobs() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let run_at = Utc::now() + ChronoDuration::minutes(1);
+        let job = add_one_shot_job(&config, run_at, "echo once").unwrap();
+        reschedule_after_run(&config, &job, true, "ok").unwrap();
+
+        assert!(get_job(&config, &job.id).unwrap().is_none());
+    }
+
+    #[test]
+    fn scheduler_columns_migrate_from_old_schema() {
+        let tmp = TempDir::new().unwrap();
+        let config = test_config(&tmp);
+
+        let db_path = config.workspace_dir.join("cron").join("jobs.db");
+        std::fs::create_dir_all(db_path.parent().unwrap()).unwrap();
+
+        {
+            let conn = rusqlite::Connection::open(&db_path).unwrap();
+            conn.execute_batch(
+                "CREATE TABLE cron_jobs (
+                    id TEXT PRIMARY KEY,
+                    expression TEXT NOT NULL,
+                    command TEXT NOT NULL,
+                    created_at TEXT NOT NULL,
+                    next_run TEXT NOT NULL,
+                    last_run TEXT,
+                    last_status TEXT,
+                    last_output TEXT
+                );",
+            )
+            .unwrap();
+            conn.execute(
+                "INSERT INTO cron_jobs (id, expression, command, created_at, next_run)
+                 VALUES ('old-job', '* * * * *', 'echo old', '2025-01-01T00:00:00Z', '2030-01-01T00:00:00Z')",
+                [],
+            )
+            .unwrap();
+        }
+
+        let jobs = list_jobs(&config).unwrap();
+        assert_eq!(jobs.len(), 1);
+        assert_eq!(jobs[0].id, "old-job");
+        assert!(!jobs[0].paused);
+        assert!(!jobs[0].one_shot);
+    }
+
+    #[test]
+    fn max_tasks_limit_is_enforced() {
+        let tmp = TempDir::new().unwrap();
+        let mut config = test_config(&tmp);
+        config.scheduler.max_tasks = 1;
+
+        let _first = add_job(&config, "*/10 * * * *", "echo first").unwrap();
+        let err = add_job(&config, "*/11 * * * *", "echo second").unwrap_err();
+        assert!(err
+            .to_string()
+            .contains("Maximum number of scheduled tasks"));
+    }
 }

src/cron/scheduler.rs

@@ -9,9 +9,18 @@ use tokio::time::{self, Duration};
 const MIN_POLL_SECONDS: u64 = 5;
 
 pub async fn run(config: Config) -> Result<()> {
+    if !config.scheduler.enabled {
+        tracing::info!("Scheduler disabled by config");
+        crate::health::mark_component_ok("scheduler");
+        loop {
+            time::sleep(Duration::from_secs(3600)).await;
+        }
+    }
+
     let poll_secs = config.reliability.scheduler_poll_secs.max(MIN_POLL_SECONDS);
     let mut interval = time::interval(Duration::from_secs(poll_secs));
     let security = SecurityPolicy::from_config(&config.autonomy, &config.workspace_dir);
+    let max_concurrent = config.scheduler.max_concurrent.max(1);
 
     crate::health::mark_component_ok("scheduler");
 
@@ -27,7 +36,7 @@ pub async fn run(config: Config) -> Result<()> {
             }
         };
 
-        for job in jobs {
+        for job in jobs.into_iter().take(max_concurrent) {
             crate::health::mark_component_ok("scheduler");
             let (success, output) = execute_job_with_retry(&config, &security, &job).await;
 
@@ -224,6 +233,8 @@ mod tests {
             next_run: Utc::now(),
             last_run: None,
             last_status: None,
+            paused: false,
+            one_shot: false,
         }
     }
 

src/gateway/mod.rs

@@ -267,6 +267,7 @@ pub async fn run_gateway(host: &str, port: u16, config: Config) -> Result<()> {
         &config.workspace_dir,
         &config.agents,
         config.api_key.as_deref(),
+        &config,
     ));
     let skills = crate::skills::load_skills(&config.workspace_dir);
     let tool_descs: Vec<(&str, &str)> = tools_registry

src/lib.rs

@@ -147,11 +147,28 @@ pub enum CronCommands {
         /// Command to run
         command: String,
     },
+    /// Add a one-shot delayed task (e.g. "30m", "2h", "1d")
+    Once {
+        /// Delay duration
+        delay: String,
+        /// Command to run
+        command: String,
+    },
     /// Remove a scheduled task
     Remove {
         /// Task ID
         id: String,
     },
+    /// Pause a scheduled task
+    Pause {
+        /// Task ID
+        id: String,
+    },
+    /// Resume a paused task
+    Resume {
+        /// Task ID
+        id: String,
+    },
 }
 
 /// Integration subcommands

src/main.rs

@@ -234,11 +234,28 @@ enum CronCommands {
         /// Command to run
         command: String,
     },
+    /// Add a one-shot delayed task (e.g. "30m", "2h", "1d")
+    Once {
+        /// Delay duration
+        delay: String,
+        /// Command to run
+        command: String,
+    },
     /// Remove a scheduled task
     Remove {
         /// Task ID
         id: String,
     },
+    /// Pause a scheduled task
+    Pause {
+        /// Task ID
+        id: String,
+    },
+    /// Resume a paused task
+    Resume {
+        /// Task ID
+        id: String,
+    },
 }
 
 #[derive(Subcommand, Debug)]

src/onboard/wizard.rs

@@ -110,6 +110,7 @@ pub fn run_wizard() -> Result<Config> {
         autonomy: AutonomyConfig::default(),
         runtime: RuntimeConfig::default(),
         reliability: crate::config::ReliabilityConfig::default(),
+        scheduler: crate::config::SchedulerConfig::default(),
         model_routes: Vec::new(),
         heartbeat: HeartbeatConfig::default(),
         channels_config,
@@ -305,6 +306,7 @@ pub fn run_quick_setup(
         autonomy: AutonomyConfig::default(),
         runtime: RuntimeConfig::default(),
         reliability: crate::config::ReliabilityConfig::default(),
+        scheduler: crate::config::SchedulerConfig::default(),
         model_routes: Vec::new(),
         heartbeat: HeartbeatConfig::default(),
         channels_config: ChannelsConfig::default(),

src/tools/mod.rs

@@ -10,6 +10,7 @@ pub mod image_info;
 pub mod memory_forget;
 pub mod memory_recall;
 pub mod memory_store;
+pub mod schedule;
 pub mod screenshot;
 pub mod shell;
 pub mod traits;
@@ -26,6 +27,7 @@ pub use image_info::ImageInfoTool;
 pub use memory_forget::MemoryForgetTool;
 pub use memory_recall::MemoryRecallTool;
 pub use memory_store::MemoryStoreTool;
+pub use schedule::ScheduleTool;
 pub use screenshot::ScreenshotTool;
 pub use shell::ShellTool;
 pub use traits::Tool;
@@ -67,6 +69,7 @@ pub fn all_tools(
     workspace_dir: &std::path::Path,
     agents: &HashMap<String, DelegateAgentConfig>,
     fallback_api_key: Option<&str>,
+    config: &crate::config::Config,
 ) -> Vec<Box<dyn Tool>> {
     all_tools_with_runtime(
         security,
@@ -78,6 +81,7 @@ pub fn all_tools(
         workspace_dir,
         agents,
         fallback_api_key,
+        config,
     )
 }
 
@@ -93,6 +97,7 @@ pub fn all_tools_with_runtime(
     workspace_dir: &std::path::Path,
     agents: &HashMap<String, DelegateAgentConfig>,
     fallback_api_key: Option<&str>,
+    config: &crate::config::Config,
 ) -> Vec<Box<dyn Tool>> {
     let mut tools: Vec<Box<dyn Tool>> = vec![
         Box::new(ShellTool::new(security.clone(), runtime)),
@@ -101,6 +106,7 @@ pub fn all_tools_with_runtime(
         Box::new(MemoryStoreTool::new(memory.clone())),
         Box::new(MemoryRecallTool::new(memory.clone())),
         Box::new(MemoryForgetTool::new(memory)),
+        Box::new(ScheduleTool::new(security.clone(), config.clone())),
         Box::new(GitOperationsTool::new(
             security.clone(),
             workspace_dir.to_path_buf(),
@@ -158,9 +164,17 @@ pub fn all_tools_with_runtime(
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::config::{BrowserConfig, MemoryConfig};
+    use crate::config::{BrowserConfig, Config, MemoryConfig};
     use tempfile::TempDir;
 
+    fn test_config(tmp: &TempDir) -> Config {
+        Config {
+            workspace_dir: tmp.path().join("workspace"),
+            config_path: tmp.path().join("config.toml"),
+            ..Config::default()
+        }
+    }
+
     #[test]
     fn default_tools_has_three() {
         let security = Arc::new(SecurityPolicy::default());
@@ -186,6 +200,7 @@ mod tests {
             ..BrowserConfig::default()
         };
         let http = crate::config::HttpRequestConfig::default();
+        let cfg = test_config(&tmp);
 
         let tools = all_tools(
             &security,
@@ -196,9 +211,11 @@ mod tests {
             tmp.path(),
             &HashMap::new(),
             None,
+            &cfg,
         );
         let names: Vec<&str> = tools.iter().map(|t| t.name()).collect();
         assert!(!names.contains(&"browser_open"));
+        assert!(names.contains(&"schedule"));
     }
 
     #[test]
@@ -219,6 +236,7 @@ mod tests {
             ..BrowserConfig::default()
         };
         let http = crate::config::HttpRequestConfig::default();
+        let cfg = test_config(&tmp);
 
         let tools = all_tools(
             &security,
@@ -229,6 +247,7 @@ mod tests {
             tmp.path(),
             &HashMap::new(),
             None,
+            &cfg,
         );
         let names: Vec<&str> = tools.iter().map(|t| t.name()).collect();
         assert!(names.contains(&"browser_open"));
@@ -341,6 +360,7 @@ mod tests {
 
         let browser = BrowserConfig::default();
         let http = crate::config::HttpRequestConfig::default();
+        let cfg = test_config(&tmp);
 
         let mut agents = HashMap::new();
         agents.insert(
@@ -364,6 +384,7 @@ mod tests {
             tmp.path(),
             &agents,
             Some("sk-test"),
+            &cfg,
         );
         let names: Vec<&str> = tools.iter().map(|t| t.name()).collect();
         assert!(names.contains(&"delegate"));
@@ -382,6 +403,7 @@ mod tests {
 
         let browser = BrowserConfig::default();
         let http = crate::config::HttpRequestConfig::default();
+        let cfg = test_config(&tmp);
 
         let tools = all_tools(
             &security,
@@ -392,6 +414,7 @@ mod tests {
             tmp.path(),
             &HashMap::new(),
             None,
+            &cfg,
         );
         let names: Vec<&str> = tools.iter().map(|t| t.name()).collect();
         assert!(!names.contains(&"delegate"));

src/tools/schedule.rs

@@ -0,0 +1,522 @@
+use super::traits::{Tool, ToolResult};
+use crate::config::Config;
+use crate::cron;
+use crate::security::SecurityPolicy;
+use anyhow::Result;
+use async_trait::async_trait;
+use chrono::{DateTime, Utc};
+use serde_json::json;
+use std::sync::Arc;
+
+/// Tool that lets the agent manage recurring and one-shot scheduled tasks.
+pub struct ScheduleTool {
+    security: Arc<SecurityPolicy>,
+    config: Config,
+}
+
+impl ScheduleTool {
+    pub fn new(security: Arc<SecurityPolicy>, config: Config) -> Self {
+        Self { security, config }
+    }
+}
+
+#[async_trait]
+impl Tool for ScheduleTool {
+    fn name(&self) -> &str {
+        "schedule"
+    }
+
+    fn description(&self) -> &str {
+        "Manage scheduled tasks. Actions: create/add/once/list/get/cancel/remove/pause/resume"
+    }
+
+    fn parameters_schema(&self) -> serde_json::Value {
+        json!({
+            "type": "object",
+            "properties": {
+                "action": {
+                    "type": "string",
+                    "enum": ["create", "add", "once", "list", "get", "cancel", "remove", "pause", "resume"],
+                    "description": "Action to perform"
+                },
+                "expression": {
+                    "type": "string",
+                    "description": "Cron expression for recurring tasks (e.g. '*/5 * * * *')."
+                },
+                "delay": {
+                    "type": "string",
+                    "description": "Delay for one-shot tasks (e.g. '30m', '2h', '1d')."
+                },
+                "run_at": {
+                    "type": "string",
+                    "description": "Absolute RFC3339 time for one-shot tasks (e.g. '2030-01-01T00:00:00Z')."
+                },
+                "command": {
+                    "type": "string",
+                    "description": "Shell command to execute. Required for create/add/once."
+                },
+                "id": {
+                    "type": "string",
+                    "description": "Task ID. Required for get/cancel/remove/pause/resume."
+                }
+            },
+            "required": ["action"]
+        })
+    }
+
+    async fn execute(&self, args: serde_json::Value) -> Result<ToolResult> {
+        let action = args
+            .get("action")
+            .and_then(|value| value.as_str())
+            .ok_or_else(|| anyhow::anyhow!("Missing 'action' parameter"))?;
+
+        match action {
+            "list" => self.handle_list(),
+            "get" => {
+                let id = args
+                    .get("id")
+                    .and_then(|value| value.as_str())
+                    .ok_or_else(|| anyhow::anyhow!("Missing 'id' parameter for get action"))?;
+                self.handle_get(id)
+            }
+            "create" | "add" | "once" => {
+                if let Some(blocked) = self.enforce_mutation_allowed(action) {
+                    return Ok(blocked);
+                }
+                self.handle_create_like(action, &args)
+            }
+            "cancel" | "remove" => {
+                if let Some(blocked) = self.enforce_mutation_allowed(action) {
+                    return Ok(blocked);
+                }
+                let id = args
+                    .get("id")
+                    .and_then(|value| value.as_str())
+                    .ok_or_else(|| anyhow::anyhow!("Missing 'id' parameter for cancel action"))?;
+                Ok(self.handle_cancel(id))
+            }
+            "pause" => {
+                if let Some(blocked) = self.enforce_mutation_allowed(action) {
+                    return Ok(blocked);
+                }
+                let id = args
+                    .get("id")
+                    .and_then(|value| value.as_str())
+                    .ok_or_else(|| anyhow::anyhow!("Missing 'id' parameter for pause action"))?;
+                Ok(self.handle_pause_resume(id, true))
+            }
+            "resume" => {
+                if let Some(blocked) = self.enforce_mutation_allowed(action) {
+                    return Ok(blocked);
+                }
+                let id = args
+                    .get("id")
+                    .and_then(|value| value.as_str())
+                    .ok_or_else(|| anyhow::anyhow!("Missing 'id' parameter for resume action"))?;
+                Ok(self.handle_pause_resume(id, false))
+            }
+            other => Ok(ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some(format!(
+                    "Unknown action '{other}'. Use create/add/once/list/get/cancel/remove/pause/resume."
+                )),
+            }),
+        }
+    }
+}
+
+impl ScheduleTool {
+    fn enforce_mutation_allowed(&self, action: &str) -> Option<ToolResult> {
+        if !self.security.can_act() {
+            return Some(ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some(format!(
+                    "Security policy: read-only mode, cannot perform '{action}'"
+                )),
+            });
+        }
+
+        if !self.security.record_action() {
+            return Some(ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some("Rate limit exceeded: action budget exhausted".to_string()),
+            });
+        }
+
+        None
+    }
+
+    fn handle_list(&self) -> Result<ToolResult> {
+        let jobs = cron::list_jobs(&self.config)?;
+        if jobs.is_empty() {
+            return Ok(ToolResult {
+                success: true,
+                output: "No scheduled jobs.".to_string(),
+                error: None,
+            });
+        }
+
+        let mut lines = Vec::with_capacity(jobs.len());
+        for job in jobs {
+            let flags = match (job.paused, job.one_shot) {
+                (true, true) => " [paused, one-shot]",
+                (true, false) => " [paused]",
+                (false, true) => " [one-shot]",
+                (false, false) => "",
+            };
+            let last_run = job
+                .last_run
+                .map_or_else(|| "never".to_string(), |value| value.to_rfc3339());
+            let last_status = job.last_status.unwrap_or_else(|| "n/a".to_string());
+            lines.push(format!(
+                "- {} | {} | next={} | last={} ({}){} | cmd: {}",
+                job.id,
+                job.expression,
+                job.next_run.to_rfc3339(),
+                last_run,
+                last_status,
+                flags,
+                job.command
+            ));
+        }
+
+        Ok(ToolResult {
+            success: true,
+            output: format!("Scheduled jobs ({}):\n{}", lines.len(), lines.join("\n")),
+            error: None,
+        })
+    }
+
+    fn handle_get(&self, id: &str) -> Result<ToolResult> {
+        match cron::get_job(&self.config, id)? {
+            Some(job) => {
+                let detail = json!({
+                    "id": job.id,
+                    "expression": job.expression,
+                    "command": job.command,
+                    "next_run": job.next_run.to_rfc3339(),
+                    "last_run": job.last_run.map(|value| value.to_rfc3339()),
+                    "last_status": job.last_status,
+                    "paused": job.paused,
+                    "one_shot": job.one_shot,
+                });
+                Ok(ToolResult {
+                    success: true,
+                    output: serde_json::to_string_pretty(&detail)?,
+                    error: None,
+                })
+            }
+            None => Ok(ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some(format!("Job '{id}' not found")),
+            }),
+        }
+    }
+
+    fn handle_create_like(&self, action: &str, args: &serde_json::Value) -> Result<ToolResult> {
+        let command = args
+            .get("command")
+            .and_then(|value| value.as_str())
+            .filter(|value| !value.trim().is_empty())
+            .ok_or_else(|| anyhow::anyhow!("Missing or empty 'command' parameter"))?;
+
+        let expression = args.get("expression").and_then(|value| value.as_str());
+        let delay = args.get("delay").and_then(|value| value.as_str());
+        let run_at = args.get("run_at").and_then(|value| value.as_str());
+
+        match action {
+            "add" => {
+                if expression.is_none() || delay.is_some() || run_at.is_some() {
+                    return Ok(ToolResult {
+                        success: false,
+                        output: String::new(),
+                        error: Some("'add' requires 'expression' and forbids delay/run_at".into()),
+                    });
+                }
+            }
+            "once" => {
+                if expression.is_some() || (delay.is_none() && run_at.is_none()) {
+                    return Ok(ToolResult {
+                        success: false,
+                        output: String::new(),
+                        error: Some("'once' requires exactly one of 'delay' or 'run_at'".into()),
+                    });
+                }
+                if delay.is_some() && run_at.is_some() {
+                    return Ok(ToolResult {
+                        success: false,
+                        output: String::new(),
+                        error: Some("'once' supports either delay or run_at, not both".into()),
+                    });
+                }
+            }
+            _ => {
+                let count = [expression.is_some(), delay.is_some(), run_at.is_some()]
+                    .into_iter()
+                    .filter(|value| *value)
+                    .count();
+                if count != 1 {
+                    return Ok(ToolResult {
+                        success: false,
+                        output: String::new(),
+                        error: Some(
+                            "Exactly one of 'expression', 'delay', or 'run_at' must be provided"
+                                .into(),
+                        ),
+                    });
+                }
+            }
+        }
+
+        if let Some(value) = expression {
+            let job = cron::add_job(&self.config, value, command)?;
+            return Ok(ToolResult {
+                success: true,
+                output: format!(
+                    "Created recurring job {} (expr: {}, next: {}, cmd: {})",
+                    job.id,
+                    job.expression,
+                    job.next_run.to_rfc3339(),
+                    job.command
+                ),
+                error: None,
+            });
+        }
+
+        if let Some(value) = delay {
+            let job = cron::add_once(&self.config, value, command)?;
+            return Ok(ToolResult {
+                success: true,
+                output: format!(
+                    "Created one-shot job {} (runs at: {}, cmd: {})",
+                    job.id,
+                    job.next_run.to_rfc3339(),
+                    job.command
+                ),
+                error: None,
+            });
+        }
+
+        let run_at_raw = run_at.ok_or_else(|| anyhow::anyhow!("Missing scheduling parameters"))?;
+        let run_at_parsed: DateTime<Utc> = DateTime::parse_from_rfc3339(run_at_raw)
+            .map_err(|error| anyhow::anyhow!("Invalid run_at timestamp: {error}"))?
+            .with_timezone(&Utc);
+
+        let job = cron::add_once_at(&self.config, run_at_parsed, command)?;
+        Ok(ToolResult {
+            success: true,
+            output: format!(
+                "Created one-shot job {} (runs at: {}, cmd: {})",
+                job.id,
+                job.next_run.to_rfc3339(),
+                job.command
+            ),
+            error: None,
+        })
+    }
+
+    fn handle_cancel(&self, id: &str) -> ToolResult {
+        match cron::remove_job(&self.config, id) {
+            Ok(()) => ToolResult {
+                success: true,
+                output: format!("Cancelled job {id}"),
+                error: None,
+            },
+            Err(error) => ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some(error.to_string()),
+            },
+        }
+    }
+
+    fn handle_pause_resume(&self, id: &str, pause: bool) -> ToolResult {
+        let operation = if pause {
+            cron::pause_job(&self.config, id)
+        } else {
+            cron::resume_job(&self.config, id)
+        };
+
+        match operation {
+            Ok(()) => ToolResult {
+                success: true,
+                output: if pause {
+                    format!("Paused job {id}")
+                } else {
+                    format!("Resumed job {id}")
+                },
+                error: None,
+            },
+            Err(error) => ToolResult {
+                success: false,
+                output: String::new(),
+                error: Some(error.to_string()),
+            },
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::security::AutonomyLevel;
+    use tempfile::TempDir;
+
+    fn test_setup() -> (TempDir, Config, Arc<SecurityPolicy>) {
+        let tmp = TempDir::new().unwrap();
+        let config = Config {
+            workspace_dir: tmp.path().join("workspace"),
+            config_path: tmp.path().join("config.toml"),
+            ..Config::default()
+        };
+        std::fs::create_dir_all(&config.workspace_dir).unwrap();
+        let security = Arc::new(SecurityPolicy::from_config(
+            &config.autonomy,
+            &config.workspace_dir,
+        ));
+        (tmp, config, security)
+    }
+
+    #[test]
+    fn tool_name_and_schema() {
+        let (_tmp, config, security) = test_setup();
+        let tool = ScheduleTool::new(security, config);
+        assert_eq!(tool.name(), "schedule");
+        let schema = tool.parameters_schema();
+        assert!(schema["properties"]["action"].is_object());
+    }
+
+    #[tokio::test]
+    async fn list_empty() {
+        let (_tmp, config, security) = test_setup();
+        let tool = ScheduleTool::new(security, config);
+
+        let result = tool.execute(json!({"action": "list"})).await.unwrap();
+        assert!(result.success);
+        assert!(result.output.contains("No scheduled jobs"));
+    }
+
+    #[tokio::test]
+    async fn create_get_and_cancel_roundtrip() {
+        let (_tmp, config, security) = test_setup();
+        let tool = ScheduleTool::new(security, config);
+
+        let create = tool
+            .execute(json!({
+                "action": "create",
+                "expression": "*/5 * * * *",
+                "command": "echo hello"
+            }))
+            .await
+            .unwrap();
+        assert!(create.success);
+        assert!(create.output.contains("Created recurring job"));
+
+        let list = tool.execute(json!({"action": "list"})).await.unwrap();
+        assert!(list.success);
+        assert!(list.output.contains("echo hello"));
+
+        let id = create.output.split_whitespace().nth(3).unwrap();
+
+        let get = tool
+            .execute(json!({"action": "get", "id": id}))
+            .await
+            .unwrap();
+        assert!(get.success);
+        assert!(get.output.contains("echo hello"));
+
+        let cancel = tool
+            .execute(json!({"action": "cancel", "id": id}))
+            .await
+            .unwrap();
+        assert!(cancel.success);
+    }
+
+    #[tokio::test]
+    async fn once_and_pause_resume_aliases_work() {
+        let (_tmp, config, security) = test_setup();
+        let tool = ScheduleTool::new(security, config);
+
+        let once = tool
+            .execute(json!({
+                "action": "once",
+                "delay": "30m",
+                "command": "echo delayed"
+            }))
+            .await
+            .unwrap();
+        assert!(once.success);
+
+        let add = tool
+            .execute(json!({
+                "action": "add",
+                "expression": "*/10 * * * *",
+                "command": "echo recurring"
+            }))
+            .await
+            .unwrap();
+        assert!(add.success);
+
+        let id = add.output.split_whitespace().nth(3).unwrap();
+        let pause = tool
+            .execute(json!({"action": "pause", "id": id}))
+            .await
+            .unwrap();
+        assert!(pause.success);
+
+        let resume = tool
+            .execute(json!({"action": "resume", "id": id}))
+            .await
+            .unwrap();
+        assert!(resume.success);
+    }
+
+    #[tokio::test]
+    async fn readonly_blocks_mutating_actions() {
+        let tmp = TempDir::new().unwrap();
+        let config = Config {
+            workspace_dir: tmp.path().join("workspace"),
+            config_path: tmp.path().join("config.toml"),
+            autonomy: crate::config::AutonomyConfig {
+                level: AutonomyLevel::ReadOnly,
+                ..Default::default()
+            },
+            ..Config::default()
+        };
+        std::fs::create_dir_all(&config.workspace_dir).unwrap();
+        let security = Arc::new(SecurityPolicy::from_config(
+            &config.autonomy,
+            &config.workspace_dir,
+        ));
+
+        let tool = ScheduleTool::new(security, config);
+
+        let blocked = tool
+            .execute(json!({
+                "action": "create",
+                "expression": "* * * * *",
+                "command": "echo blocked"
+            }))
+            .await
+            .unwrap();
+        assert!(!blocked.success);
+        assert!(blocked.error.as_deref().unwrap().contains("read-only"));
+
+        let list = tool.execute(json!({"action": "list"})).await.unwrap();
+        assert!(list.success);
+    }
+
+    #[tokio::test]
+    async fn unknown_action_returns_failure() {
+        let (_tmp, config, security) = test_setup();
+        let tool = ScheduleTool::new(security, config);
+
+        let result = tool.execute(json!({"action": "explode"})).await.unwrap();
+        assert!(!result.success);
+        assert!(result.error.as_deref().unwrap().contains("Unknown action"));
+    }
+}