Fix direct-provider command monitoring

app/src/ai/bedrock/request_translator.rs

@@ -1520,18 +1520,21 @@ pub fn extract_system_prompt(
                  monitor while still following the user's steering messages. Use the command ID from \
                  the running-command context or tool result for every read/write operation. If the \
                  result says the command finished, report its outcome and stop polling. If it says the \
-                 command is still running, the next assistant output MUST be a tool call: use \
+                 command is still running, the next assistant output MUST be a tool call. Use \
-                 `read_shell_command_output` with a short delay, or call `interrupt_shell_command` \
+                 `read_shell_command_output` with a short delay for normal progress. If the snapshot \
-                 immediately when the user's explicit stop condition is met. Do not end a still-running \
+                 clearly shows an interactive pager or editor, do not keep polling: an alternate screen \
-                 monitor turn with prose, a status message, or a request for the user to say continue. \
+                 containing `(END)` is `less`, so call `write_to_long_running_shell_command` with input \
-                 Never choose a poll interval that crosses a user-specified deadline or stop condition. \
+                 `q` and mode `raw`; for a clearly identified Vim screen, send input `:q` with mode \
-                 After an interrupt, poll briefly \
+                 `line`. Poll briefly after sending quit input to verify the outcome. Call \
-                 to verify the outcome. Never try to encode Ctrl+C as `C-c`, `^C`, `\\x03`, or \
+                 `interrupt_shell_command` immediately when the user's explicit stop condition is met. \
-                 `\\u0003` through `write_to_long_running_shell_command`; that tool is only for actual \
+                 Do not end a still-running monitor turn with prose, a status message, or a request for \
-                 process input. Never start a duplicate command merely to check its state, and never \
+                 the user to say continue. Never choose a poll interval that crosses a user-specified \
-                 report completion while a result says it is still running. If user interaction is \
+                 deadline or stop condition. After an interrupt, poll briefly to verify the outcome. \
-                 the right next step and the transfer tool is available, transfer control with a \
+                 Never try to encode Ctrl+C as `C-c`, `^C`, `\\x03`, or `\\u0003` through \
-                 clear reason.\n\n",
+                 `write_to_long_running_shell_command`; that tool is only for actual process input. \
+                 Never start a duplicate command merely to check its state, and never report completion \
+                 while a result says it is still running. If user interaction is the right next step and \
+                 the transfer tool is available, transfer control with a clear reason.\n\n",
             );
         }
         AgentMode::CompletedCommandAssessment => {

app/src/ai/bedrock/request_translator_tests.rs

@@ -413,6 +413,8 @@ fn running_command_turn_gets_monitor_prompt_and_cli_tools() {
     assert!(prompt.contains("read_shell_command_output"));
     assert!(prompt.contains("interrupt_shell_command"));
     assert!(prompt.contains("next assistant output MUST be a tool call"));
+    assert!(prompt.contains("alternate screen containing `(END)` is `less`"));
+    assert!(prompt.contains("`write_to_long_running_shell_command` with input `q` and mode `raw`"));
     assert!(prompt.contains("Do not end a still-running monitor turn with prose"));
     assert!(prompt.contains("Never try to encode Ctrl+C"));
     assert!(!prompt.contains("- Use `run_shell_command`"));

app/src/ai/blocklist/action_model/execute/shell_command.rs

@@ -190,23 +190,6 @@ impl ShellCommandExecutor {
         }
     }
 
-    /// Decorate the command so that we can turn off pager.
-    fn turn_off_pager_for_command(&self, command: &String, ctx: &mut ModelContext<Self>) -> String {
-        match self.active_session.as_ref(ctx).shell_type(ctx) {
-            // If it's a posix shell, we can use parentheses as the grouping character. Add command to
-            // avoid cases with aliases.
-            Some(ShellType::Zsh) | Some(ShellType::Bash) => format!("({command}) | command cat"),
-            // Fish doesn't have grouping characters. We need to use begin; and end; to ensure the command
-            // gets evaluated first.
-            Some(ShellType::Fish) => format!("begin; {command} ;end | command cat"),
-            // For powershell, we use Out-Host to send paged output to the
-            // console. Add a backslash to avoid executing an alias.
-            Some(ShellType::PowerShell) => format!("({command}) | \\Out-Host"),
-            // If we can't determine a shell type, run command as it is.
-            None => command.clone(),
-        }
-    }
-
     pub(super) fn execute(
         &mut self,
         input: ExecuteActionInput,
@@ -231,7 +214,6 @@ impl ShellCommandExecutor {
         match &input.action.action {
             AIAgentActionType::RequestCommandOutput {
                 command,
-                uses_pager,
                 wait_until_completion,
                 ..
             } => {
@@ -266,15 +248,13 @@ impl ShellCommandExecutor {
                         RequestCommandOutputResult::CancelledBeforeExecution,
                     ));
                 }
-                // If the command might use pager and can't be interacted with,
+                // A command expected to finish must not enter an implicit pager. Do not trust the
-                // we pipe its output to cat so we can prevent activating the altscreen.
+                // model-provided pager hint: commands such as `git log` can page implicitly.
-                // The parentheses here ensures the command always gets evaluated first.
+                let decorated_command = command_for_execution(
-                let decorated_command =
+                    command,
-                    if uses_pager.is_some_and(|uses_pager| uses_pager) && *wait_until_completion {
+                    self.active_session.as_ref(ctx).shell_type(ctx),
-                        self.turn_off_pager_for_command(command, ctx)
+                    *wait_until_completion,
-                    } else {
+                );
-                        command.clone()
-                    };
                 ctx.emit(ShellCommandExecutorEvent::ExecuteCommand {
                     action_id: action_id.clone(),
                     command: decorated_command,
@@ -710,6 +690,30 @@ impl ShellCommandExecutor {
     }
 }
 
+fn command_for_execution(
+    command: &str,
+    shell_type: Option<ShellType>,
+    wait_until_completion: bool,
+) -> String {
+    if !wait_until_completion {
+        return command.to_string();
+    }
+
+    match shell_type {
+        // Pager environment variables preserve the command's output and exit status, unlike piping
+        // through `cat`. Tool-specific variables override user configuration for common pagers.
+        Some(ShellType::Zsh) | Some(ShellType::Bash) => format!(
+            "(export PAGER=cat GIT_PAGER=cat GH_PAGER=cat AWS_PAGER=cat SYSTEMD_PAGER=cat; {command})"
+        ),
+        Some(ShellType::Fish) => format!(
+            "begin; set -lx PAGER cat; set -lx GIT_PAGER cat; set -lx GH_PAGER cat; set -lx AWS_PAGER cat; set -lx SYSTEMD_PAGER cat; {command}; end"
+        ),
+        // PowerShell's pipeline host suppresses paging for commands that honor the host stream.
+        Some(ShellType::PowerShell) => format!("({command}) | \\Out-Host"),
+        None => command.to_string(),
+    }
+}
+
 #[derive(Debug, Clone, Hash, PartialEq, Eq)]
 enum BlockSelector {
     Id(BlockId),

app/src/ai/blocklist/action_model/execute/shell_command_tests.rs

@@ -5,7 +5,7 @@ use futures::channel::oneshot;
 use parking_lot::FairMutex;
 use warpui::{App, EntityId};
 
-use super::{ActionResult, BlockSelector, ShellCommandExecutor};
+use super::{command_for_execution, ActionResult, BlockSelector, ShellCommandExecutor};
 use crate::ai::agent::ShellCommandDelay;
 use crate::terminal::event::{BlockMetadataReceivedEvent, BlockWorkingDirectoryUpdatedEvent};
 use crate::terminal::model::block::{BlockId, BlockMetadata};
@@ -13,6 +13,23 @@ use crate::terminal::model::session::active_session::ActiveSession;
 use crate::terminal::model::session::Sessions;
 use crate::terminal::model::terminal_model::{BlockIndex, TerminalModel};
 use crate::terminal::model_events::{ModelEvent, ModelEventDispatcher};
+use crate::terminal::shell::ShellType;
+
+#[test]
+fn wait_commands_disable_implicit_posix_pagers_without_masking_exit_status() {
+    let command = "git log -8 --oneline && false";
+    let decorated = command_for_execution(command, Some(ShellType::Zsh), true);
+
+    assert_eq!(
+        decorated,
+        "(export PAGER=cat GIT_PAGER=cat GH_PAGER=cat AWS_PAGER=cat SYSTEMD_PAGER=cat; git log -8 --oneline && false)"
+    );
+    assert!(!decorated.contains("| command cat"));
+    assert_eq!(
+        command_for_execution(command, Some(ShellType::Zsh), false),
+        command
+    );
+}
 
 /// Locks in the contract that `ShellCommandExecutor`'s requested-command finish
 /// detector reacts only to `BlockMetadataReceived` (precmd) and not to

app/src/ai/provider/mod.rs

@@ -4,6 +4,7 @@ use crate::ai::bedrock::client::BedrockClientConfig;
 use crate::ai::openai::client::OpenAIClientConfig;
 
 #[allow(dead_code)]
+#[derive(Clone)]
 pub enum ProviderConfig {
     Bedrock(BedrockClientConfig),
     OpenAI(OpenAIClientConfig),

app/src/ai/runtime/rig.rs

@@ -80,7 +80,18 @@ pub(crate) async fn prepare_provider_run(
     let skill_path_origin = params.session_context.skill_path_origin();
     let max_context_tokens = params.context_window_limit;
     let mut cli_params = params.clone();
-    cli_params.model = params.cli_agent_model.clone();
+    let cli_provider_config = match cli_provider_config {
+        crate::ai::provider::ProviderConfig::None => {
+            // The CLI model can be absent from a model-specific provider routing table even when
+            // the base model is usable. Keep monitoring available through the base provider/model.
+            cli_params.model = params.model.clone();
+            base_provider_config.clone()
+        }
+        provider_config => {
+            cli_params.model = params.cli_agent_model.clone();
+            provider_config
+        }
+    };
 
     let (base_runtime, prepared) = prepare_provider_profile(
         base_provider_config,
@@ -90,20 +101,15 @@ pub(crate) async fn prepare_provider_run(
         None,
     )
     .await?;
-    let cli_monitor_profile = match cli_provider_config {
+    let (cli_runtime, cli_prepared) = prepare_provider_profile(
-        crate::ai::provider::ProviderConfig::None => None,
+        cli_provider_config,
-        provider_config => {
+        cli_params,
-            let (runtime, prepared) = prepare_provider_profile(
+        supported_tools,
-                provider_config,
+        supported_cli_agent_tools,
-                cli_params,
+        Some(RigRequestMode::Cli),
-                supported_tools,
+    )
-                supported_cli_agent_tools,
+    .await?;
-                Some(RigRequestMode::Cli),
+    let cli_monitor_profile = Some(ProviderRunProfile::new(cli_runtime, cli_prepared.request));
-            )
-            .await?;
-            Some(ProviderRunProfile::new(runtime, prepared.request))
-        }
-    };
 
     let PreparedRigTurn {
         task_id,
@@ -250,3 +256,7 @@ pub(crate) async fn provider_runtime_for_request(
     };
     Ok(runtime)
 }
+
+#[cfg(test)]
+#[path = "rig_tests.rs"]
+mod tests;

app/src/ai/runtime/rig_request.rs

@@ -816,7 +816,7 @@ fn build_system_prompt(
             "## Orchestration Mode\nDelegate only independent, bounded work where parallelism materially helps, then synthesize the results.\n\n",
         ),
         RigRequestMode::Cli => prompt.push_str(
-            "## Running Command Monitor\nThis turn concerns a running or just-finished shell command. Act as its dedicated monitor while still following the user's steering messages. Use the command ID from the tool result for every read/write operation. If the result says the command finished, report its outcome and stop polling. If it says the command is still running, the next assistant output MUST be a tool call: use `read_shell_command_output` with a short delay, or use `interrupt_shell_command` immediately when the user's explicit stop condition is met. Do not end a still-running monitor turn with prose, a status message, or a request for the user to say continue. Never choose a poll interval that crosses a user-specified deadline or stop condition. After an interrupt, poll briefly to verify the outcome. Never start a duplicate command merely to check its state, and never report completion while a result says it is still running.\n\n",
+            "## Running Command Monitor\nThis turn concerns a running or just-finished shell command. Act as its dedicated monitor while still following the user's steering messages. Use the command ID from the tool result for every read/write operation. If the result says the command finished, report its outcome and stop polling. If it says the command is still running, the next assistant output MUST be a tool call. Use `read_shell_command_output` with a short delay for normal progress. If the snapshot clearly shows an interactive pager or editor, do not keep polling: an alternate screen containing `(END)` is `less`, so call `write_to_long_running_shell_command` with input `q` and mode `raw`; for a clearly identified Vim screen, send input `:q` with mode `line`. Poll briefly after sending quit input to verify the outcome. Use `interrupt_shell_command` immediately when the user's explicit stop condition is met. Do not end a still-running monitor turn with prose, a status message, or a request for the user to say continue. Never choose a poll interval that crosses a user-specified deadline or stop condition. After an interrupt, poll briefly to verify the outcome. Never start a duplicate command merely to check its state, and never report completion while a result says it is still running.\n\n",
         ),
         RigRequestMode::CompletedCommandAssessment => prompt.push_str(
             "## Completed Command Assessment\nThe monitored command has finished. Use its command, command ID, final terminal output, and the assessment instruction in the latest hidden input to provide the final user-facing outcome. Do not continue polling, request more terminal output, or call tools.\n\n",

app/src/ai/runtime/rig_request_tests.rs

@@ -429,6 +429,8 @@ fn lrc_snapshot_follow_up_uses_the_cli_monitor_prompt_and_tools() {
     assert!(prompt.contains("## Running Command Monitor"));
     assert!(prompt.contains("`read_shell_command_output` with a short delay"));
     assert!(prompt.contains("next assistant output MUST be a tool call"));
+    assert!(prompt.contains("alternate screen containing `(END)` is `less`"));
+    assert!(prompt.contains("`write_to_long_running_shell_command` with input `q` and mode `raw`"));
     assert!(prompt.contains("Do not end a still-running monitor turn with prose"));
     assert!(prepared
         .request

app/src/ai/runtime/rig_tests.rs

@@ -0,0 +1,57 @@
+use super::prepare_provider_run;
+use crate::ai::agent::api::RequestParams;
+use crate::ai::llms::LLMId;
+use crate::ai::openai::client::OpenAIClientConfig;
+use crate::ai::provider::ProviderConfig;
+use crate::settings::OpenAIProviderKind;
+
+fn openai_config(model: &str) -> OpenAIClientConfig {
+    OpenAIClientConfig {
+        kind: OpenAIProviderKind::LiteLLM,
+        base_url: "http://localhost:4000/v1".to_string(),
+        api_key: None,
+        project_id: None,
+        location: None,
+        model: Some(model.to_string()),
+        reasoning_effort: None,
+        max_input_tokens: Some(128_000),
+        max_output_tokens: Some(8_192),
+        use_rig: true,
+        supports_system_messages: true,
+    }
+}
+
+#[tokio::test]
+async fn missing_cli_provider_route_falls_back_to_base_provider_profile() {
+    let mut params = RequestParams::new_for_test();
+    params.model = LLMId::from("base-selection");
+    params.cli_agent_model = LLMId::from("unroutable-cli-selection");
+
+    let prepared = prepare_provider_run(
+        ProviderConfig::OpenAI(openai_config("base-provider-model")),
+        ProviderConfig::None,
+        params,
+    )
+    .await
+    .unwrap();
+    let cli_profile = prepared
+        .cli_monitor_profile
+        .expect("base provider should supply the CLI monitor fallback");
+
+    assert_eq!(cli_profile.request.model.as_str(), "base-provider-model");
+    assert!(cli_profile
+        .request
+        .system_prompt
+        .as_deref()
+        .is_some_and(|prompt| prompt.contains("## Running Command Monitor")));
+    assert!(cli_profile
+        .request
+        .tools
+        .iter()
+        .any(|tool| tool.name == "write_to_long_running_shell_command"));
+    assert!(cli_profile
+        .request
+        .tools
+        .iter()
+        .any(|tool| tool.name == "read_shell_command_output"));
+}