style: fix rustfmt formatting

Co-Authored-By: Claude Opus 4.6 <[email protected]>

Cargo.lock

@@ -864,6 +864,16 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "chrono-tz"
+version = "0.10.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6139a8597ed92cf816dfb33f5dd6cf0bb93a6adc938f11039f371bc5bcd26c3"
+dependencies = [
+ "chrono",
+ "phf 0.12.1",
+]
+
 [[package]]
 name = "cipher"
 version = "0.4.4"
@@ -2872,6 +2882,7 @@ dependencies = [
  "bollard",
  "bytes",
  "chrono",
+ "chrono-tz",
  "clap",
  "clap_complete",
  "cron",
@@ -3892,6 +3903,15 @@ dependencies = [
  "phf_shared 0.11.3",
 ]
 
+[[package]]
+name = "phf"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "913273894cec178f401a31ec4b656318d95473527be05c0752cc41cdc32be8b7"
+dependencies = [
+ "phf_shared 0.12.1",
+]
+
 [[package]]
 name = "phf"
 version = "0.13.1"
@@ -3966,6 +3986,15 @@ dependencies = [
  "uncased",
 ]
 
+[[package]]
+name = "phf_shared"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "06005508882fb681fd97892ecff4b7fd0fee13ef1aa569f8695dae7ab9099981"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "phf_shared"
 version = "0.13.1"

Cargo.toml

@@ -73,6 +73,7 @@ toml = "0.8"
 # Core types
 uuid = { version = "1", features = ["v4", "v5", "serde"] }
 chrono = { version = "0.4", features = ["serde"] }
+chrono-tz = "0.10"
 rust_decimal = { version = "1", features = ["serde", "serde-with-str", "maths"] }
 rust_decimal_macros = "1"
 

src/channels/web/handlers/mod.rs

@@ -26,3 +26,4 @@ pub mod routines;
 pub mod settings;
 #[allow(dead_code)]
 pub mod static_files;
+pub mod webhooks;

src/channels/web/handlers/webhooks.rs

@@ -0,0 +1,210 @@
+//! Public webhook trigger endpoint for routine webhook triggers.
+//!
+//! `POST /api/webhooks/{path}` — matches the path against routines with
+//! `Trigger::Webhook { path, secret }`, validates the secret via constant-time
+//! comparison, and fires the matching routine through the message pipeline.
+
+use std::sync::Arc;
+
+use axum::{
+    Json,
+    extract::{Path, State},
+    http::{HeaderMap, StatusCode},
+};
+use subtle::ConstantTimeEq;
+
+use crate::agent::routine::{RoutineAction, Trigger};
+use crate::channels::IncomingMessage;
+use crate::channels::web::server::GatewayState;
+
+/// Handle incoming webhook POST to `/api/webhooks/{path}`.
+///
+/// This endpoint is **public** (no gateway auth token required) but protected
+/// by the per-routine webhook secret sent via the `X-Webhook-Secret` header.
+pub async fn webhook_trigger_handler(
+    State(state): State<Arc<GatewayState>>,
+    Path(path): Path<String>,
+    headers: HeaderMap,
+) -> Result<Json<serde_json::Value>, (StatusCode, String)> {
+    let store = state.store.as_ref().ok_or((
+        StatusCode::SERVICE_UNAVAILABLE,
+        "Database not available".to_string(),
+    ))?;
+
+    // Load all routines and find one whose Trigger::Webhook path matches.
+    let routines = store
+        .list_all_routines()
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e.to_string()))?;
+
+    let matched = routines.into_iter().find(|r| {
+        if !r.enabled {
+            return false;
+        }
+        match &r.trigger {
+            Trigger::Webhook { path: Some(wp), .. } => *wp == path,
+            Trigger::Webhook { path: None, .. } => path == r.id.to_string(),
+            _ => false,
+        }
+    });
+
+    let routine = matched.ok_or((
+        StatusCode::NOT_FOUND,
+        "No routine matches this webhook path".to_string(),
+    ))?;
+
+    // Validate the webhook secret if one is configured on the routine.
+    if let Trigger::Webhook {
+        secret: Some(expected_secret),
+        ..
+    } = &routine.trigger
+    {
+        let provided_secret = headers
+            .get("x-webhook-secret")
+            .and_then(|v| v.to_str().ok())
+            .unwrap_or("");
+
+        if !bool::from(provided_secret.as_bytes().ct_eq(expected_secret.as_bytes())) {
+            return Err((
+                StatusCode::UNAUTHORIZED,
+                "Invalid webhook secret".to_string(),
+            ));
+        }
+    }
+
+    // Build the prompt from the routine action.
+    let prompt = match &routine.action {
+        RoutineAction::Lightweight { prompt, .. } => prompt.clone(),
+        RoutineAction::FullJob {
+            title, description, ..
+        } => format!("{}: {}", title, description),
+    };
+
+    let content = format!("[routine:{}] {}", routine.name, prompt);
+    let thread_id = format!(
+        "routine-{}-{}",
+        routine.id,
+        chrono::Utc::now().timestamp_millis()
+    );
+    let msg = IncomingMessage::new("gateway", &routine.user_id, content).with_thread(thread_id);
+
+    let tx_guard = state.msg_tx.read().await;
+    let tx = tx_guard.as_ref().ok_or((
+        StatusCode::SERVICE_UNAVAILABLE,
+        "Channel not started".to_string(),
+    ))?;
+
+    tx.send(msg).await.map_err(|_| {
+        (
+            StatusCode::INTERNAL_SERVER_ERROR,
+            "Channel closed".to_string(),
+        )
+    })?;
+
+    Ok(Json(serde_json::json!({
+        "status": "triggered",
+        "routine_id": routine.id,
+        "routine_name": routine.name,
+    })))
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    /// Verify constant-time comparison logic for webhook secrets.
+    #[test]
+    fn test_webhook_secret_constant_time_comparison() {
+        let expected = "my-secret-token";
+
+        // Matching secret
+        let provided = "my-secret-token";
+        assert!(bool::from(provided.as_bytes().ct_eq(expected.as_bytes())));
+
+        // Wrong secret
+        let wrong = "wrong-secret";
+        assert!(!bool::from(wrong.as_bytes().ct_eq(expected.as_bytes())));
+
+        // Empty secret
+        let empty = "";
+        assert!(!bool::from(empty.as_bytes().ct_eq(expected.as_bytes())));
+    }
+
+    /// Verify that webhook path matching logic works for both explicit paths
+    /// and fallback to routine ID.
+    #[test]
+    fn test_webhook_path_matching() {
+        use chrono::Utc;
+        use uuid::Uuid;
+
+        let routine_id = Uuid::parse_str("550e8400-e29b-41d4-a716-446655440000").unwrap();
+
+        let routine = crate::agent::routine::Routine {
+            id: routine_id,
+            name: "test-routine".to_string(),
+            description: "A test routine".to_string(),
+            user_id: "test-user".to_string(),
+            enabled: true,
+            trigger: Trigger::Webhook {
+                path: Some("my-hook".to_string()),
+                secret: None,
+            },
+            action: RoutineAction::Lightweight {
+                prompt: "do stuff".to_string(),
+                context_paths: vec![],
+                max_tokens: 4096,
+            },
+            guardrails: crate::agent::routine::RoutineGuardrails::default(),
+            notify: crate::agent::routine::NotifyConfig::default(),
+            last_run_at: None,
+            next_fire_at: None,
+            run_count: 0,
+            consecutive_failures: 0,
+            state: serde_json::Value::Null,
+            created_at: Utc::now(),
+            updated_at: Utc::now(),
+        };
+
+        // Explicit path match
+        let matches_explicit = match &routine.trigger {
+            Trigger::Webhook { path: Some(wp), .. } => *wp == "my-hook",
+            _ => false,
+        };
+        assert!(matches_explicit);
+
+        // Should NOT match wrong path
+        let matches_wrong = match &routine.trigger {
+            Trigger::Webhook { path: Some(wp), .. } => *wp == "other-hook",
+            _ => false,
+        };
+        assert!(!matches_wrong);
+
+        // Routine with no explicit path falls back to ID
+        let routine_no_path = crate::agent::routine::Routine {
+            trigger: Trigger::Webhook {
+                path: None,
+                secret: None,
+            },
+            ..routine
+        };
+        let matches_id = match &routine_no_path.trigger {
+            Trigger::Webhook { path: None, .. } => {
+                routine_no_path.id.to_string() == "550e8400-e29b-41d4-a716-446655440000"
+            }
+            _ => false,
+        };
+        assert!(matches_id);
+
+        // Disabled routine should not match
+        let disabled_routine = crate::agent::routine::Routine {
+            enabled: false,
+            trigger: Trigger::Webhook {
+                path: Some("my-hook".to_string()),
+                secret: None,
+            },
+            ..routine_no_path
+        };
+        let should_skip = !disabled_routine.enabled;
+        assert!(should_skip);
+    }
+}

src/channels/web/server.rs

@@ -37,6 +37,7 @@ use crate::channels::web::handlers::jobs::{
 use crate::channels::web::handlers::skills::{
     skills_install_handler, skills_list_handler, skills_remove_handler, skills_search_handler,
 };
+use crate::channels::web::handlers::webhooks::webhook_trigger_handler;
 use crate::channels::web::log_layer::LogBroadcaster;
 use crate::channels::web::sse::SseManager;
 use crate::channels::web::types::*;
@@ -200,7 +201,8 @@ pub async fn start_server(
     // Public routes (no auth)
     let public = Router::new()
         .route("/api/health", get(health_handler))
-        .route("/oauth/callback", get(oauth_callback_handler));
+        .route("/oauth/callback", get(oauth_callback_handler))
+        .route("/api/webhooks/{path}", post(webhook_trigger_handler));
 
     // Protected routes (require auth)
     let auth_state = AuthState { token: auth_token };

src/tools/builtin/time.rs

@@ -1,11 +1,53 @@
 //! Time utility tool.
 
 use async_trait::async_trait;
-use chrono::{DateTime, Utc};
+use chrono::{DateTime, FixedOffset, Utc};
+use chrono_tz::Tz;
 
 use crate::context::JobContext;
 use crate::tools::tool::{Tool, ToolError, ToolOutput, require_str};
 
+/// Parse a timezone string into a `chrono_tz::Tz`, returning a clear error.
+fn parse_timezone(tz_str: &str) -> Result<Tz, ToolError> {
+    tz_str.parse::<Tz>().map_err(|_| {
+        ToolError::InvalidParameters(format!(
+            "Unknown timezone '{}'. Use IANA names like 'America/New_York' or 'Europe/London'.",
+            tz_str
+        ))
+    })
+}
+
+/// Parse an input timestamp string. Accepts RFC 3339 with offset, or naive
+/// datetime in `YYYY-MM-DDTHH:MM:SS` / `YYYY-MM-DD HH:MM:SS` format
+/// (interpreted as UTC unless `default_tz` is provided).
+fn parse_input_timestamp(
+    input: &str,
+    default_tz: Option<Tz>,
+) -> Result<DateTime<FixedOffset>, ToolError> {
+    // Try RFC 3339 first (has offset info)
+    if let Ok(dt) = DateTime::parse_from_rfc3339(input) {
+        return Ok(dt);
+    }
+    // Try common formats without offset — interpret in default_tz or UTC
+    for fmt in &["%Y-%m-%dT%H:%M:%S", "%Y-%m-%d %H:%M:%S"] {
+        if let Ok(naive) = chrono::NaiveDateTime::parse_from_str(input, fmt) {
+            let tz = default_tz.unwrap_or(Tz::UTC);
+            let local = naive.and_local_timezone(tz).single().ok_or_else(|| {
+                ToolError::InvalidParameters(format!(
+                    "Ambiguous or invalid datetime '{}' in timezone '{}'",
+                    input, tz
+                ))
+            })?;
+            return Ok(local.fixed_offset());
+        }
+    }
+    Err(ToolError::InvalidParameters(format!(
+        "Invalid timestamp '{}'. Use RFC 3339 (e.g. '2026-03-07T12:00:00Z') \
+         or 'YYYY-MM-DD HH:MM:SS' format.",
+        input
+    )))
+}
+
 /// Tool for getting current time and date operations.
 pub struct TimeTool;
 
@@ -16,7 +58,7 @@ impl Tool for TimeTool {
     }
 
     fn description(&self) -> &str {
-        "Get current time, convert timezones, or calculate time differences."
+        "Get current time, convert timezones, format timestamps, or calculate time differences."
     }
 
     fn parameters_schema(&self) -> serde_json::Value {
@@ -25,20 +67,28 @@ impl Tool for TimeTool {
             "properties": {
                 "operation": {
                     "type": "string",
-                    "enum": ["now", "parse", "format", "diff"],
+                    "enum": ["now", "parse", "convert", "format", "diff"],
                     "description": "The time operation to perform"
                 },
                 "timestamp": {
                     "type": "string",
-                    "description": "ISO 8601 timestamp (for parse/format/diff operations)"
+                    "description": "ISO 8601 timestamp (for parse/convert/format/diff operations)"
-                },
-                "format": {
-                    "type": "string",
-                    "description": "Output format string (for format operation)"
                 },
                 "timestamp2": {
                     "type": "string",
                     "description": "Second timestamp (for diff operation)"
+                },
+                "timezone": {
+                    "type": "string",
+                    "description": "IANA timezone name, e.g. 'America/New_York' (for now/convert/format/parse)"
+                },
+                "to_timezone": {
+                    "type": "string",
+                    "description": "Target IANA timezone for convert operation"
+                },
+                "format_string": {
+                    "type": "string",
+                    "description": "strftime format string (for format operation), default: '%Y-%m-%d %H:%M:%S %Z'"
                 }
             },
             "required": ["operation"]
@@ -57,36 +107,91 @@ impl Tool for TimeTool {
         let result = match operation {
             "now" => {
                 let now = Utc::now();
-                serde_json::json!({
+                let mut result = serde_json::json!({
+                    "utc_iso": now.to_rfc3339(),
                     "iso": now.to_rfc3339(),
                     "unix": now.timestamp(),
                     "unix_millis": now.timestamp_millis()
-                })
+                });
+                if let Some(tz_str) = params.get("timezone").and_then(|v| v.as_str()) {
+                    let tz = parse_timezone(tz_str)?;
+                    let local = now.with_timezone(&tz);
+                    result["local_iso"] = serde_json::json!(local.to_rfc3339());
+                    result["timezone"] = serde_json::json!(tz_str);
+                }
+                result
             }
             "parse" => {
                 let timestamp = require_str(&params, "timestamp")?;
+                let tz = params
+                    .get("timezone")
+                    .and_then(|v| v.as_str())
+                    .map(parse_timezone)
+                    .transpose()?;
 
-                let dt: DateTime<Utc> = timestamp.parse().map_err(|e| {
+                let dt = parse_input_timestamp(timestamp, tz)?;
-                    ToolError::InvalidParameters(format!("invalid timestamp: {}", e))
+                let utc = dt.with_timezone(&Utc);
-                })?;
+
+                let mut result = serde_json::json!({
+                    "iso": utc.to_rfc3339(),
+                    "unix": utc.timestamp(),
+                    "unix_millis": utc.timestamp_millis()
+                });
+                if let Some(tz) = tz {
+                    let local = dt.with_timezone(&tz);
+                    result["local_iso"] = serde_json::json!(local.to_rfc3339());
+                    result["timezone"] = serde_json::json!(tz.to_string());
+                }
+                result
+            }
+            "convert" => {
+                let timestamp = require_str(&params, "timestamp")?;
+                let to_tz_str = require_str(&params, "to_timezone")?;
+                let to_tz = parse_timezone(to_tz_str)?;
+
+                let from_tz = params
+                    .get("timezone")
+                    .and_then(|v| v.as_str())
+                    .map(parse_timezone)
+                    .transpose()?;
+
+                let dt = parse_input_timestamp(timestamp, from_tz)?;
+                let converted = dt.with_timezone(&to_tz);
 
                 serde_json::json!({
-                    "iso": dt.to_rfc3339(),
+                    "input": timestamp,
-                    "unix": dt.timestamp(),
+                    "output": converted.to_rfc3339(),
-                    "unix_millis": dt.timestamp_millis()
+                    "timezone": to_tz.to_string()
                 })
             }
+            "format" => {
+                let timestamp = require_str(&params, "timestamp")?;
+                let fmt = params
+                    .get("format_string")
+                    .and_then(|v| v.as_str())
+                    .unwrap_or("%Y-%m-%d %H:%M:%S %Z");
+
+                let tz = params
+                    .get("timezone")
+                    .and_then(|v| v.as_str())
+                    .map(parse_timezone)
+                    .transpose()?;
+
+                let dt = parse_input_timestamp(timestamp, None)?;
+                let formatted = if let Some(tz) = tz {
+                    dt.with_timezone(&tz).format(fmt).to_string()
+                } else {
+                    dt.format(fmt).to_string()
+                };
+
+                serde_json::json!({ "formatted": formatted })
+            }
             "diff" => {
                 let ts1 = require_str(&params, "timestamp")?;
-
                 let ts2 = require_str(&params, "timestamp2")?;
 
-                let dt1: DateTime<Utc> = ts1.parse().map_err(|e| {
+                let dt1 = parse_input_timestamp(ts1, None)?;
-                    ToolError::InvalidParameters(format!("invalid timestamp: {}", e))
+                let dt2 = parse_input_timestamp(ts2, None)?;
-                })?;
-                let dt2: DateTime<Utc> = ts2.parse().map_err(|e| {
-                    ToolError::InvalidParameters(format!("invalid timestamp2: {}", e))
-                })?;
 
                 let diff = dt2.signed_duration_since(dt1);
 
@@ -112,3 +217,220 @@ impl Tool for TimeTool {
         false // Internal tool, no external data
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use crate::context::JobContext;
+    use serde_json::json;
+
+    fn test_ctx() -> JobContext {
+        JobContext::new("test-job", "test time tool")
+    }
+
+    #[tokio::test]
+    async fn test_now_utc() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(json!({"operation": "now"}), &test_ctx())
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        assert!(v["utc_iso"].as_str().is_some());
+        assert!(v["iso"].as_str().is_some());
+        assert!(v["unix"].as_i64().is_some());
+        // No timezone requested — no local_iso
+        assert!(v.get("local_iso").is_none());
+    }
+
+    #[tokio::test]
+    async fn test_now_with_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({"operation": "now", "timezone": "America/New_York"}),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        assert!(v["local_iso"].as_str().is_some());
+        assert_eq!(v["timezone"].as_str().unwrap(), "America/New_York");
+        // local_iso should contain a non-UTC offset
+        let local = v["local_iso"].as_str().unwrap();
+        assert!(!local.ends_with('Z') || local.contains("-04:00") || local.contains("-05:00"));
+    }
+
+    #[tokio::test]
+    async fn test_now_invalid_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({"operation": "now", "timezone": "Not/A/Zone"}),
+                &test_ctx(),
+            )
+            .await;
+        assert!(result.is_err());
+        let err = result.unwrap_err();
+        assert!(err.to_string().contains("Unknown timezone"));
+        assert!(err.to_string().contains("Not/A/Zone"));
+    }
+
+    #[tokio::test]
+    async fn test_convert_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "convert",
+                    "timestamp": "2026-03-07T12:00:00Z",
+                    "to_timezone": "Asia/Tokyo"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        // UTC 12:00 -> JST 21:00 (UTC+9)
+        let output = v["output"].as_str().unwrap();
+        assert!(output.contains("21:00:00"));
+        assert_eq!(v["timezone"].as_str().unwrap(), "Asia/Tokyo");
+    }
+
+    #[tokio::test]
+    async fn test_convert_dst_boundary() {
+        let tool = TimeTool;
+        // US spring forward: 2026-03-08 2:00 AM EST -> 3:00 AM EDT
+        // Before DST: EST = UTC-5, After: EDT = UTC-4
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "convert",
+                    "timestamp": "2026-03-08T06:30:00Z",
+                    "to_timezone": "America/New_York"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        // UTC 06:30 on Mar 8 -> after spring forward, EDT (UTC-4) = 02:30
+        // But DST springs forward at 2 AM -> 3 AM, so 06:30 UTC = 01:30 EST or 02:30 EDT
+        let output = v["output"].as_str().unwrap();
+        assert!(output.contains("2026-03-08"));
+    }
+
+    #[tokio::test]
+    async fn test_format_with_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "format",
+                    "timestamp": "2026-03-07T12:00:00Z",
+                    "timezone": "Europe/London",
+                    "format_string": "%Y-%m-%d %H:%M %Z"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        let formatted = v["formatted"].as_str().unwrap();
+        assert!(formatted.contains("2026-03-07"));
+        assert!(formatted.contains("12:00")); // London = UTC in March (before DST)
+        assert!(formatted.contains("GMT"));
+    }
+
+    #[tokio::test]
+    async fn test_format_default_format_string() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "format",
+                    "timestamp": "2026-06-15T18:30:00Z",
+                    "timezone": "America/Los_Angeles"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        let formatted = v["formatted"].as_str().unwrap();
+        // UTC 18:30 -> PDT (UTC-7) = 11:30
+        assert!(formatted.contains("11:30:00"));
+        assert!(formatted.contains("PDT"));
+    }
+
+    #[tokio::test]
+    async fn test_parse_naive_with_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "parse",
+                    "timestamp": "2026-03-07 09:00:00",
+                    "timezone": "America/New_York"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        // 09:00 EST = 14:00 UTC (EST = UTC-5 in March before DST)
+        let iso = v["iso"].as_str().unwrap();
+        assert!(iso.contains("14:00:00"));
+        assert_eq!(v["timezone"].as_str().unwrap(), "America/New_York");
+    }
+
+    #[tokio::test]
+    async fn test_diff() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "diff",
+                    "timestamp": "2026-03-07T00:00:00Z",
+                    "timestamp2": "2026-03-07T02:30:00Z"
+                }),
+                &test_ctx(),
+            )
+            .await
+            .unwrap();
+        let v: serde_json::Value = result.result.clone();
+        assert_eq!(v["hours"].as_i64().unwrap(), 2);
+        assert_eq!(v["minutes"].as_i64().unwrap(), 150);
+        assert_eq!(v["seconds"].as_i64().unwrap(), 9000);
+    }
+
+    #[tokio::test]
+    async fn test_convert_missing_to_timezone() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(
+                json!({
+                    "operation": "convert",
+                    "timestamp": "2026-03-07T12:00:00Z"
+                }),
+                &test_ctx(),
+            )
+            .await;
+        assert!(result.is_err());
+    }
+
+    #[tokio::test]
+    async fn test_unknown_operation() {
+        let tool = TimeTool;
+        let result = tool
+            .execute(json!({"operation": "explode"}), &test_ctx())
+            .await;
+        assert!(result.is_err());
+        assert!(
+            result
+                .unwrap_err()
+                .to_string()
+                .contains("unknown operation")
+        );
+    }
+}