diff --git a/.spec-sha b/.spec-sha
index eb4a8f8..43b9581 100644
--- a/.spec-sha
+++ b/.spec-sha
@@ -1 +1 @@
-8c8c6f7f8bdffec317e65c2abf9e2af93692424f
+a13dbaa5b545aaedb3547d956a25f2d62da5c5a9
diff --git a/guards.log b/guards.log
index f9f955c..ae1a379 100644
--- a/guards.log
+++ b/guards.log
@@ -1,13 +1,13 @@
 ........................................................................ [ 17%]
 ..................................................................s..... [ 34%]
-........................................................................ [ 51%]
-.........F.............................................................. [ 68%]
+...........................................................F............ [ 51%]
+........................................................................ [ 68%]
 ........................................................................ [ 85%]
 ...............................................................          [100%]
 =================================== FAILURES ===================================
-__________________ test_no_unexposed_sdk_params[voices.list] ___________________
+_________________ test_no_unexposed_sdk_params[workflows.list] _________________
 
-cmd = Cmd(group='voices', name='list', method='voices.list', help='List available voices.', subgroup=None, args=[], options=...ider', 'gender', 'category'], success_msg=None, destructive=False, redact=False, fallback_methods=(), gate='buildable')
+cmd = Cmd(group='workflows', name='list', method='workflows.list', help='List workflows in the workspace.', subgroup=None, a...', 'last_run_status', 'updated_at'], success_msg=None, destructive=False, redact=False, fallback_methods=(), gate=None)
 
     @pytest.mark.parametrize("cmd", TABLE, ids=lambda c: ".".join(c.path))
     def test_no_unexposed_sdk_params(cmd: Cmd) -> None:
@@ -24,10 +24,10 @@ cmd = Cmd(group='voices', name='list', method='voices.list', help='List availabl
             f"for it. Either add an Opt(...) to the row in _spec.py, or record the decision in "
             f"_INTENTIONALLY_UNEXPOSED with the reason."
         )
-E       AssertionError: voices.list: voices.list accepts ['provider_voice_id'] but the CLI has no flag for it. Either add an Opt(...) to the row in _spec.py, or record the decision in _INTENTIONALLY_UNEXPOSED with the reason.
-E       assert not {'provider_voice_id'}
+E       AssertionError: workflows.list: workflows.list accepts ['exclude_empty'] but the CLI has no flag for it. Either add an Opt(...) to the row in _spec.py, or record the decision in _INTENTIONALLY_UNEXPOSED with the reason.
+E       assert not {'exclude_empty'}
 
 tests/build/test_sdk_contract.py:233: AssertionError
 =========================== short test summary info ============================
-FAILED tests/build/test_sdk_contract.py::test_no_unexposed_sdk_params[voices.list] - AssertionError: voices.list: voices.list accepts ['provider_voice_id'] but the CLI has no flag for it. Either add an Opt(...) to the row in _spec.py, or record the decision in _INTENTIONALLY_UNEXPOSED with the reason.
-assert not {'provider_voice_id'}
+FAILED tests/build/test_sdk_contract.py::test_no_unexposed_sdk_params[workflows.list] - AssertionError: workflows.list: workflows.list accepts ['exclude_empty'] but the CLI has no flag for it. Either add an Opt(...) to the row in _spec.py, or record the decision in _INTENTIONALLY_UNEXPOSED with the reason.
+assert not {'exclude_empty'}
diff --git a/src/onepin/.fern/metadata.json b/src/onepin/.fern/metadata.json
index 5e7f85f..893414a 100644
--- a/src/onepin/.fern/metadata.json
+++ b/src/onepin/.fern/metadata.json
@@ -30,7 +30,7 @@
       }
     ]
   },
-  "originGitCommit": "45e96724ab4ffc17fdc44d6f21e1f71206c318cc",
+  "originGitCommit": "5f8c05331687cedffed0c6ac9e97d81b9c338aa9",
   "originGitCommitIsDirty": false,
   "invokedBy": "ci",
   "ciProvider": "github"
diff --git a/src/onepin/core/http_client.py b/src/onepin/core/http_client.py
index 3e5a786..23b0f82 100644
--- a/src/onepin/core/http_client.py
+++ b/src/onepin/core/http_client.py
@@ -184,8 +184,33 @@ def _should_retry(response: httpx.Response) -> bool:
 )
 
 
+_AUTH_HEADERS: typing.FrozenSet[str] = frozenset()
+
+
 def _redact_headers(headers: typing.Dict[str, str]) -> typing.Dict[str, str]:
-    return {k: ("[REDACTED]" if k.lower() in _SENSITIVE_HEADERS else v) for k, v in headers.items()}
+    return {
+        k: ("[REDACTED]" if k.lower() in _SENSITIVE_HEADERS or k.lower() in _AUTH_HEADERS else v)
+        for k, v in headers.items()
+    }
+
+
+def _merge_headers(*header_dicts: typing.Optional[typing.Dict[str, typing.Any]]) -> typing.Dict[str, typing.Any]:
+    """
+    Merge header dicts left to right. Header names are case-insensitive, so a later
+    `x-api-key` replaces an earlier `X-API-Key` instead of producing two headers.
+    """
+    merged: typing.Dict[str, typing.Any] = {}
+    keys_by_lower: typing.Dict[str, str] = {}
+    for header_dict in header_dicts:
+        if not header_dict:
+            continue
+        for key, value in header_dict.items():
+            existing_key = keys_by_lower.get(key.lower())
+            if existing_key is not None:
+                del merged[existing_key]
+            keys_by_lower[key.lower()] = key
+            merged[key] = value
+    return merged
 
 
 def _build_url(base_url: str, path: typing.Optional[str]) -> str:
@@ -425,11 +450,11 @@ def request(
         _request_url = _build_url(base_url, path)
         _request_headers = jsonable_encoder(
             remove_none_from_dict(
-                {
-                    **self.base_headers(),
-                    **(headers if headers is not None else {}),
-                    **(request_options.get("additional_headers", {}) or {} if request_options is not None else {}),
-                }
+                _merge_headers(
+                    self.base_headers(),
+                    headers,
+                    request_options.get("additional_headers") if request_options is not None else None,
+                )
             )
         )
         _request_headers = drop_content_type_without_body(
@@ -594,11 +619,11 @@ def stream(
         _request_url = _build_url(base_url, path)
         _request_headers = jsonable_encoder(
             remove_none_from_dict(
-                {
-                    **self.base_headers(),
-                    **(headers if headers is not None else {}),
-                    **(request_options.get("additional_headers", {}) if request_options is not None else {}),
-                }
+                _merge_headers(
+                    self.base_headers(),
+                    headers,
+                    request_options.get("additional_headers") if request_options is not None else None,
+                )
             )
         )
         _request_headers = drop_content_type_without_body(
@@ -735,11 +760,11 @@ async def request(
         _request_url = _build_url(base_url, path)
         _request_headers = jsonable_encoder(
             remove_none_from_dict(
-                {
-                    **_headers,
-                    **(headers if headers is not None else {}),
-                    **(request_options.get("additional_headers", {}) or {} if request_options is not None else {}),
-                }
+                _merge_headers(
+                    _headers,
+                    headers,
+                    request_options.get("additional_headers") if request_options is not None else None,
+                )
             )
         )
         _request_headers = drop_content_type_without_body(
@@ -907,11 +932,11 @@ async def stream(
         _request_url = _build_url(base_url, path)
         _request_headers = jsonable_encoder(
             remove_none_from_dict(
-                {
-                    **_headers,
-                    **(headers if headers is not None else {}),
-                    **(request_options.get("additional_headers", {}) if request_options is not None else {}),
-                }
+                _merge_headers(
+                    _headers,
+                    headers,
+                    request_options.get("additional_headers") if request_options is not None else None,
+                )
             )
         )
         _request_headers = drop_content_type_without_body(
diff --git a/src/onepin/core/pagination.py b/src/onepin/core/pagination.py
index 760b089..a4bc194 100644
--- a/src/onepin/core/pagination.py
+++ b/src/onepin/core/pagination.py
@@ -3,7 +3,20 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
-from typing import AsyncIterator, Awaitable, Callable, Generic, Iterator, List, Optional, TypeVar
+from typing import (
+    Any,
+    AsyncIterator,
+    Awaitable,
+    Callable,
+    Generic,
+    Iterator,
+    List,
+    Mapping,
+    Optional,
+    Sequence,
+    TypeVar,
+    get_args,
+)
 
 # Generic to represent the underlying type of the results within a page
 T = TypeVar("T")
@@ -80,3 +93,73 @@ async def iter_pages(self) -> AsyncIterator[AsyncPager[T, R]]:
 
     async def next_page(self) -> Optional[AsyncPager[T, R]]:
         return await self.get_next() if self.get_next is not None else None
+
+
+def get_nested_page_value(container: Any, path: Sequence[str], default: Any = None) -> Any:
+    """
+    Read a nested paging value (e.g. `options.offset`) from a request parameter that may be
+    a dict, a model, None, or omitted (`...`). Returns `default` when any segment is missing.
+    """
+    value = container
+    for key in path:
+        if value is None or value is ...:
+            return default
+        value = value.get(key) if isinstance(value, Mapping) else getattr(value, key, None)
+    return default if value is None or value is ... else value
+
+
+def with_nested_page_value(container: Any, path: Sequence[str], value: Any, container_type: Any = None) -> Any:
+    """
+    Return a copy of a request parameter with the nested paging value at `path` replaced,
+    creating omitted containers and keeping every other field. When `container_type` (or the
+    annotation of the parent model's field) is a model, created containers are built through that
+    model so field aliases (e.g. `page_offset` -> `pageOffset`) apply on the wire.
+    """
+    if len(path) == 0:
+        return value
+    key, rest = path[0], path[1:]
+    if container is None or container is ...:
+        return _build_container(container_type, {key: with_nested_page_value(None, rest, value)})
+    if isinstance(container, Mapping):
+        return {**container, key: with_nested_page_value(container.get(key), rest, value)}
+    updated = with_nested_page_value(
+        getattr(container, key, None), rest, value, _get_field_annotation(type(container), key)
+    )
+    if hasattr(container, "model_copy"):
+        return container.model_copy(update={key: updated})
+    return container.copy(update={key: updated})
+
+
+def _build_container(container_type: Any, data: Mapping[str, Any]) -> Any:
+    model = _find_model_class(container_type)
+    if model is None:
+        return data
+    try:
+        if hasattr(model, "model_validate"):
+            return model.model_validate(data)
+        return model.parse_obj(data)
+    except (TypeError, ValueError):
+        return data
+
+
+def _find_model_class(annotation: Any) -> Any:
+    models = []
+    pending = [annotation]
+    while pending:
+        candidate = pending.pop()
+        if isinstance(candidate, type):
+            if hasattr(candidate, "model_validate") or hasattr(candidate, "parse_obj"):
+                models.append(candidate)
+        else:
+            pending.extend(get_args(candidate))
+    return models[0] if len(models) == 1 else None
+
+
+def _get_field_annotation(model: Any, key: str) -> Any:
+    fields = getattr(model, "model_fields", None)
+    if isinstance(fields, Mapping):
+        return fields[key].annotation if key in fields else None
+    legacy_fields = getattr(model, "__fields__", None)
+    if isinstance(legacy_fields, Mapping) and key in legacy_fields:
+        return legacy_fields[key].outer_type_
+    return None
diff --git a/src/onepin/reference.md b/src/onepin/reference.md
index 48e5e42..1278756 100644
--- a/src/onepin/reference.md
+++ b/src/onepin/reference.md
@@ -6668,8 +6668,9 @@ List workflows in the current workspace.
 
 Returns a counted, paginated list of workflows scoped to the `X-Workspace-Id`
 header. Each item includes aggregate stats (`runs_count`, `last_run_at`,
-`last_run_status`, `run_status_counts`) computed over all runs for that
-workflow. `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
+`last_run_status`, `run_status_counts`, `last_activity_at`) computed over all
+runs (and, for `last_activity_at`, the chat) of that workflow.
+`run_status_counts` is a per-raw-`RunStatus` map whose values sum to
 `runs_count` and are NOT affected by the `status` filter below, so a collapsed
 row can render an accurate per-tab total without a separate runs query.
 
@@ -6677,15 +6678,15 @@ row can render an accurate per-tab total without a separate runs query.
 most recent run. `completed` matches only workflows whose latest run succeeded
 (completed-only), and `failed` matches only workflows whose latest run failed —
 the two buckets are disjoint. A workflow whose latest run was `cancelled` matches
-neither bucket and surfaces only in the unfiltered list. `running` matches active
-(running or paused) workflows. `draft` matches workflows with no runs yet.
-`paused` is accepted but currently returns no results.
+neither bucket and surfaces only in the unfiltered list. `running` matches a latest
+run that is pending, running or paused; `active` matches pending or running only,
+and `paused` matches paused only. `draft` matches workflows with no runs yet.
 
 **Multi-sort:** `sort` and `order` are parallel query lists.
 `?sort=runs_count&sort=name&order=desc&order=asc` orders primarily by
 `runs_count DESC`, then by `name ASC`. When `order` has fewer entries than
 `sort`, missing positions use per-field defaults (`name=asc`,
-`updated_at=desc`, `runs_count=desc`). Omitting `sort` defaults to
+`updated_at=desc`, `runs_count=desc`, `last_activity_at=desc`). Omitting `sort` defaults to
 `updated_at DESC`. A stable `id ASC` tiebreaker is always appended so
 offset/limit pagination is consistent when sort keys tie.
 
@@ -6699,6 +6700,9 @@ keys off the latest run only; `has_failed_run=true` matches workflows with a
 completed still matches if an earlier run failed. It composes with the other
 filters (AND). `cancelled` runs do not count as failures.
 
+**Empty workflows:** `exclude_empty=true` hides workflows that are still
+placeholder-named with no nodes, no user chat message and no runs.
+
 `pagination.total` reflects the filtered count for the current query.
 </dd>
 </dl>
@@ -6738,7 +6742,7 @@ client.workflows.list()
 <dl>
 <dd>
 
-**status:** `typing.Optional[WorkflowListStatus]` — UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `paused` is accepted for forward compatibility and currently returns no rows.
+**status:** `typing.Optional[WorkflowListStatus]` — UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `running` matches a latest run that is pending, running or paused; `active` is the same minus paused, and `paused` is paused only.
     
 </dd>
 </dl>
@@ -6802,6 +6806,14 @@ client.workflows.list()
 <dl>
 <dd>
 
+**exclude_empty:** `typing.Optional[bool]` — Hide empty workflows: still placeholder-named, no nodes, no user message in the chat, and no runs. Any one of those ending lists the workflow again. Counted in `pagination.total`.
+    
+</dd>
+</dl>
+
+<dl>
+<dd>
+
 **offset:** `typing.Optional[int]` — Zero-based pagination offset.
     
 </dd>
diff --git a/src/onepin/types/workflow_list_item.py b/src/onepin/types/workflow_list_item.py
index 45a83d7..239fd42 100644
--- a/src/onepin/types/workflow_list_item.py
+++ b/src/onepin/types/workflow_list_item.py
@@ -64,6 +64,11 @@ class WorkflowListItem(UniversalBaseModel):
     Raw RunStatus of the most recent run. One of: `pending`, `running`, `completed`, `failed`, `cancelled`, `paused`. Null if never run.
     """
 
+    last_activity_at: dt.datetime = pydantic.Field()
+    """
+    Latest of the last chat message (any role, the opener greeting excluded) and the last run; `created_at` when neither exists. What `sort=last_activity_at` orders by.
+    """
+
     run_status_counts: typing.Optional[RunStatusCounts] = pydantic.Field(default=None)
     """
     Number of runs per raw RunStatus, computed over ALL runs of this workflow (same population as `runs_count`; NOT affected by the list-level `status` filter). The sum of all values equals `runs_count`; statuses with no runs are 0.
diff --git a/src/onepin/types/workflow_list_status.py b/src/onepin/types/workflow_list_status.py
index 8f86b37..1dd7589 100644
--- a/src/onepin/types/workflow_list_status.py
+++ b/src/onepin/types/workflow_list_status.py
@@ -2,4 +2,6 @@
 
 import typing
 
-WorkflowListStatus = typing.Union[typing.Literal["draft", "running", "completed", "failed", "paused"], typing.Any]
+WorkflowListStatus = typing.Union[
+    typing.Literal["draft", "running", "active", "completed", "failed", "paused"], typing.Any
+]
diff --git a/src/onepin/types/workflow_run_list_item.py b/src/onepin/types/workflow_run_list_item.py
index ff886f6..8f98844 100644
--- a/src/onepin/types/workflow_run_list_item.py
+++ b/src/onepin/types/workflow_run_list_item.py
@@ -42,6 +42,10 @@ class WorkflowRunListItem(UniversalBaseModel):
     triggered_by: typing.Optional[TriggeredByOut] = None
     output_line_count: typing.Optional[int] = None
     delivered_audio_ms: typing.Optional[int] = None
+    script_first_line: typing.Optional[str] = pydantic.Field(default=None)
+    """
+    The run's first script line, cut at 500 characters. Null until the run's source step has parsed the script.
+    """
 
     if IS_PYDANTIC_V2:
         model_config: typing.ClassVar[pydantic.ConfigDict] = pydantic.ConfigDict(extra="allow", frozen=True)  # type: ignore # Pydantic v2
diff --git a/src/onepin/workflows/client.py b/src/onepin/workflows/client.py
index 78da03d..4550a3f 100644
--- a/src/onepin/workflows/client.py
+++ b/src/onepin/workflows/client.py
@@ -62,6 +62,7 @@ def list(
         last_run_before: typing.Optional[dt.datetime] = None,
         has_failed_run: typing.Optional[bool] = None,
         include_definition: typing.Optional[bool] = None,
+        exclude_empty: typing.Optional[bool] = None,
         offset: typing.Optional[int] = None,
         limit: typing.Optional[int] = None,
         workspace_id: typing.Optional[str] = None,
@@ -72,8 +73,9 @@ def list(
 
         Returns a counted, paginated list of workflows scoped to the `X-Workspace-Id`
         header. Each item includes aggregate stats (`runs_count`, `last_run_at`,
-        `last_run_status`, `run_status_counts`) computed over all runs for that
-        workflow. `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
+        `last_run_status`, `run_status_counts`, `last_activity_at`) computed over all
+        runs (and, for `last_activity_at`, the chat) of that workflow.
+        `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
         `runs_count` and are NOT affected by the `status` filter below, so a collapsed
         row can render an accurate per-tab total without a separate runs query.
 
@@ -81,15 +83,15 @@ def list(
         most recent run. `completed` matches only workflows whose latest run succeeded
         (completed-only), and `failed` matches only workflows whose latest run failed —
         the two buckets are disjoint. A workflow whose latest run was `cancelled` matches
-        neither bucket and surfaces only in the unfiltered list. `running` matches active
-        (running or paused) workflows. `draft` matches workflows with no runs yet.
-        `paused` is accepted but currently returns no results.
+        neither bucket and surfaces only in the unfiltered list. `running` matches a latest
+        run that is pending, running or paused; `active` matches pending or running only,
+        and `paused` matches paused only. `draft` matches workflows with no runs yet.
 
         **Multi-sort:** `sort` and `order` are parallel query lists.
         `?sort=runs_count&sort=name&order=desc&order=asc` orders primarily by
         `runs_count DESC`, then by `name ASC`. When `order` has fewer entries than
         `sort`, missing positions use per-field defaults (`name=asc`,
-        `updated_at=desc`, `runs_count=desc`). Omitting `sort` defaults to
+        `updated_at=desc`, `runs_count=desc`, `last_activity_at=desc`). Omitting `sort` defaults to
         `updated_at DESC`. A stable `id ASC` tiebreaker is always appended so
         offset/limit pagination is consistent when sort keys tie.
 
@@ -103,12 +105,15 @@ def list(
         completed still matches if an earlier run failed. It composes with the other
         filters (AND). `cancelled` runs do not count as failures.
 
+        **Empty workflows:** `exclude_empty=true` hides workflows that are still
+        placeholder-named with no nodes, no user chat message and no runs.
+
         `pagination.total` reflects the filtered count for the current query.
 
         Parameters
         ----------
         status : typing.Optional[WorkflowListStatus]
-            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `paused` is accepted for forward compatibility and currently returns no rows.
+            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `running` matches a latest run that is pending, running or paused; `active` is the same minus paused, and `paused` is paused only.
 
         search : typing.Optional[str]
             Case-insensitive search over name and description.
@@ -131,6 +136,9 @@ def list(
         include_definition : typing.Optional[bool]
             Include each workflow's full `definition` graph in the response. Off by default because the graphs dominate the payload and a list view does not render them; turn it on to compare what the listed workflows do without a per-workflow GET.
 
+        exclude_empty : typing.Optional[bool]
+            Hide empty workflows: still placeholder-named, no nodes, no user message in the chat, and no runs. Any one of those ending lists the workflow again. Counted in `pagination.total`.
+
         offset : typing.Optional[int]
             Zero-based pagination offset.
 
@@ -165,6 +173,7 @@ def list(
             last_run_before=last_run_before,
             has_failed_run=has_failed_run,
             include_definition=include_definition,
+            exclude_empty=exclude_empty,
             offset=offset,
             limit=limit,
             workspace_id=workspace_id,
@@ -1522,6 +1531,7 @@ async def list(
         last_run_before: typing.Optional[dt.datetime] = None,
         has_failed_run: typing.Optional[bool] = None,
         include_definition: typing.Optional[bool] = None,
+        exclude_empty: typing.Optional[bool] = None,
         offset: typing.Optional[int] = None,
         limit: typing.Optional[int] = None,
         workspace_id: typing.Optional[str] = None,
@@ -1532,8 +1542,9 @@ async def list(
 
         Returns a counted, paginated list of workflows scoped to the `X-Workspace-Id`
         header. Each item includes aggregate stats (`runs_count`, `last_run_at`,
-        `last_run_status`, `run_status_counts`) computed over all runs for that
-        workflow. `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
+        `last_run_status`, `run_status_counts`, `last_activity_at`) computed over all
+        runs (and, for `last_activity_at`, the chat) of that workflow.
+        `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
         `runs_count` and are NOT affected by the `status` filter below, so a collapsed
         row can render an accurate per-tab total without a separate runs query.
 
@@ -1541,15 +1552,15 @@ async def list(
         most recent run. `completed` matches only workflows whose latest run succeeded
         (completed-only), and `failed` matches only workflows whose latest run failed —
         the two buckets are disjoint. A workflow whose latest run was `cancelled` matches
-        neither bucket and surfaces only in the unfiltered list. `running` matches active
-        (running or paused) workflows. `draft` matches workflows with no runs yet.
-        `paused` is accepted but currently returns no results.
+        neither bucket and surfaces only in the unfiltered list. `running` matches a latest
+        run that is pending, running or paused; `active` matches pending or running only,
+        and `paused` matches paused only. `draft` matches workflows with no runs yet.
 
         **Multi-sort:** `sort` and `order` are parallel query lists.
         `?sort=runs_count&sort=name&order=desc&order=asc` orders primarily by
         `runs_count DESC`, then by `name ASC`. When `order` has fewer entries than
         `sort`, missing positions use per-field defaults (`name=asc`,
-        `updated_at=desc`, `runs_count=desc`). Omitting `sort` defaults to
+        `updated_at=desc`, `runs_count=desc`, `last_activity_at=desc`). Omitting `sort` defaults to
         `updated_at DESC`. A stable `id ASC` tiebreaker is always appended so
         offset/limit pagination is consistent when sort keys tie.
 
@@ -1563,12 +1574,15 @@ async def list(
         completed still matches if an earlier run failed. It composes with the other
         filters (AND). `cancelled` runs do not count as failures.
 
+        **Empty workflows:** `exclude_empty=true` hides workflows that are still
+        placeholder-named with no nodes, no user chat message and no runs.
+
         `pagination.total` reflects the filtered count for the current query.
 
         Parameters
         ----------
         status : typing.Optional[WorkflowListStatus]
-            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `paused` is accepted for forward compatibility and currently returns no rows.
+            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `running` matches a latest run that is pending, running or paused; `active` is the same minus paused, and `paused` is paused only.
 
         search : typing.Optional[str]
             Case-insensitive search over name and description.
@@ -1591,6 +1605,9 @@ async def list(
         include_definition : typing.Optional[bool]
             Include each workflow's full `definition` graph in the response. Off by default because the graphs dominate the payload and a list view does not render them; turn it on to compare what the listed workflows do without a per-workflow GET.
 
+        exclude_empty : typing.Optional[bool]
+            Hide empty workflows: still placeholder-named, no nodes, no user message in the chat, and no runs. Any one of those ending lists the workflow again. Counted in `pagination.total`.
+
         offset : typing.Optional[int]
             Zero-based pagination offset.
 
@@ -1633,6 +1650,7 @@ async def main() -> None:
             last_run_before=last_run_before,
             has_failed_run=has_failed_run,
             include_definition=include_definition,
+            exclude_empty=exclude_empty,
             offset=offset,
             limit=limit,
             workspace_id=workspace_id,
diff --git a/src/onepin/workflows/raw_client.py b/src/onepin/workflows/raw_client.py
index e7bd5b6..b058d81 100644
--- a/src/onepin/workflows/raw_client.py
+++ b/src/onepin/workflows/raw_client.py
@@ -56,6 +56,7 @@ def list(
         last_run_before: typing.Optional[dt.datetime] = None,
         has_failed_run: typing.Optional[bool] = None,
         include_definition: typing.Optional[bool] = None,
+        exclude_empty: typing.Optional[bool] = None,
         offset: typing.Optional[int] = None,
         limit: typing.Optional[int] = None,
         workspace_id: typing.Optional[str] = None,
@@ -66,8 +67,9 @@ def list(
 
         Returns a counted, paginated list of workflows scoped to the `X-Workspace-Id`
         header. Each item includes aggregate stats (`runs_count`, `last_run_at`,
-        `last_run_status`, `run_status_counts`) computed over all runs for that
-        workflow. `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
+        `last_run_status`, `run_status_counts`, `last_activity_at`) computed over all
+        runs (and, for `last_activity_at`, the chat) of that workflow.
+        `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
         `runs_count` and are NOT affected by the `status` filter below, so a collapsed
         row can render an accurate per-tab total without a separate runs query.
 
@@ -75,15 +77,15 @@ def list(
         most recent run. `completed` matches only workflows whose latest run succeeded
         (completed-only), and `failed` matches only workflows whose latest run failed —
         the two buckets are disjoint. A workflow whose latest run was `cancelled` matches
-        neither bucket and surfaces only in the unfiltered list. `running` matches active
-        (running or paused) workflows. `draft` matches workflows with no runs yet.
-        `paused` is accepted but currently returns no results.
+        neither bucket and surfaces only in the unfiltered list. `running` matches a latest
+        run that is pending, running or paused; `active` matches pending or running only,
+        and `paused` matches paused only. `draft` matches workflows with no runs yet.
 
         **Multi-sort:** `sort` and `order` are parallel query lists.
         `?sort=runs_count&sort=name&order=desc&order=asc` orders primarily by
         `runs_count DESC`, then by `name ASC`. When `order` has fewer entries than
         `sort`, missing positions use per-field defaults (`name=asc`,
-        `updated_at=desc`, `runs_count=desc`). Omitting `sort` defaults to
+        `updated_at=desc`, `runs_count=desc`, `last_activity_at=desc`). Omitting `sort` defaults to
         `updated_at DESC`. A stable `id ASC` tiebreaker is always appended so
         offset/limit pagination is consistent when sort keys tie.
 
@@ -97,12 +99,15 @@ def list(
         completed still matches if an earlier run failed. It composes with the other
         filters (AND). `cancelled` runs do not count as failures.
 
+        **Empty workflows:** `exclude_empty=true` hides workflows that are still
+        placeholder-named with no nodes, no user chat message and no runs.
+
         `pagination.total` reflects the filtered count for the current query.
 
         Parameters
         ----------
         status : typing.Optional[WorkflowListStatus]
-            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `paused` is accepted for forward compatibility and currently returns no rows.
+            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `running` matches a latest run that is pending, running or paused; `active` is the same minus paused, and `paused` is paused only.
 
         search : typing.Optional[str]
             Case-insensitive search over name and description.
@@ -125,6 +130,9 @@ def list(
         include_definition : typing.Optional[bool]
             Include each workflow's full `definition` graph in the response. Off by default because the graphs dominate the payload and a list view does not render them; turn it on to compare what the listed workflows do without a per-workflow GET.
 
+        exclude_empty : typing.Optional[bool]
+            Hide empty workflows: still placeholder-named, no nodes, no user message in the chat, and no runs. Any one of those ending lists the workflow again. Counted in `pagination.total`.
+
         offset : typing.Optional[int]
             Zero-based pagination offset.
 
@@ -153,6 +161,7 @@ def list(
                 "last_run_before": serialize_datetime(last_run_before) if last_run_before is not None else None,
                 "has_failed_run": has_failed_run,
                 "include_definition": include_definition,
+                "exclude_empty": exclude_empty,
                 "offset": offset,
                 "limit": limit,
             },
@@ -2085,6 +2094,7 @@ async def list(
         last_run_before: typing.Optional[dt.datetime] = None,
         has_failed_run: typing.Optional[bool] = None,
         include_definition: typing.Optional[bool] = None,
+        exclude_empty: typing.Optional[bool] = None,
         offset: typing.Optional[int] = None,
         limit: typing.Optional[int] = None,
         workspace_id: typing.Optional[str] = None,
@@ -2095,8 +2105,9 @@ async def list(
 
         Returns a counted, paginated list of workflows scoped to the `X-Workspace-Id`
         header. Each item includes aggregate stats (`runs_count`, `last_run_at`,
-        `last_run_status`, `run_status_counts`) computed over all runs for that
-        workflow. `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
+        `last_run_status`, `run_status_counts`, `last_activity_at`) computed over all
+        runs (and, for `last_activity_at`, the chat) of that workflow.
+        `run_status_counts` is a per-raw-`RunStatus` map whose values sum to
         `runs_count` and are NOT affected by the `status` filter below, so a collapsed
         row can render an accurate per-tab total without a separate runs query.
 
@@ -2104,15 +2115,15 @@ async def list(
         most recent run. `completed` matches only workflows whose latest run succeeded
         (completed-only), and `failed` matches only workflows whose latest run failed —
         the two buckets are disjoint. A workflow whose latest run was `cancelled` matches
-        neither bucket and surfaces only in the unfiltered list. `running` matches active
-        (running or paused) workflows. `draft` matches workflows with no runs yet.
-        `paused` is accepted but currently returns no results.
+        neither bucket and surfaces only in the unfiltered list. `running` matches a latest
+        run that is pending, running or paused; `active` matches pending or running only,
+        and `paused` matches paused only. `draft` matches workflows with no runs yet.
 
         **Multi-sort:** `sort` and `order` are parallel query lists.
         `?sort=runs_count&sort=name&order=desc&order=asc` orders primarily by
         `runs_count DESC`, then by `name ASC`. When `order` has fewer entries than
         `sort`, missing positions use per-field defaults (`name=asc`,
-        `updated_at=desc`, `runs_count=desc`). Omitting `sort` defaults to
+        `updated_at=desc`, `runs_count=desc`, `last_activity_at=desc`). Omitting `sort` defaults to
         `updated_at DESC`. A stable `id ASC` tiebreaker is always appended so
         offset/limit pagination is consistent when sort keys tie.
 
@@ -2126,12 +2137,15 @@ async def list(
         completed still matches if an earlier run failed. It composes with the other
         filters (AND). `cancelled` runs do not count as failures.
 
+        **Empty workflows:** `exclude_empty=true` hides workflows that are still
+        placeholder-named with no nodes, no user chat message and no runs.
+
         `pagination.total` reflects the filtered count for the current query.
 
         Parameters
         ----------
         status : typing.Optional[WorkflowListStatus]
-            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `paused` is accepted for forward compatibility and currently returns no rows.
+            UI workflow status filter. `completed` matches workflows whose latest run succeeded (completed-only); `failed` matches failed-only — the two are disjoint. A workflow whose latest run was cancelled matches neither and appears only in the unfiltered list. `running` matches a latest run that is pending, running or paused; `active` is the same minus paused, and `paused` is paused only.
 
         search : typing.Optional[str]
             Case-insensitive search over name and description.
@@ -2154,6 +2168,9 @@ async def list(
         include_definition : typing.Optional[bool]
             Include each workflow's full `definition` graph in the response. Off by default because the graphs dominate the payload and a list view does not render them; turn it on to compare what the listed workflows do without a per-workflow GET.
 
+        exclude_empty : typing.Optional[bool]
+            Hide empty workflows: still placeholder-named, no nodes, no user message in the chat, and no runs. Any one of those ending lists the workflow again. Counted in `pagination.total`.
+
         offset : typing.Optional[int]
             Zero-based pagination offset.
 
@@ -2182,6 +2199,7 @@ async def list(
                 "last_run_before": serialize_datetime(last_run_before) if last_run_before is not None else None,
                 "has_failed_run": has_failed_run,
                 "include_definition": include_definition,
+                "exclude_empty": exclude_empty,
                 "offset": offset,
                 "limit": limit,
             },
diff --git a/src/onepin/workflows/types/list_workflows_request_sort_item.py b/src/onepin/workflows/types/list_workflows_request_sort_item.py
index ef228b5..c3f41ea 100644
--- a/src/onepin/workflows/types/list_workflows_request_sort_item.py
+++ b/src/onepin/workflows/types/list_workflows_request_sort_item.py
@@ -2,4 +2,6 @@
 
 import typing
 
-ListWorkflowsRequestSortItem = typing.Union[typing.Literal["name", "updated_at", "runs_count"], typing.Any]
+ListWorkflowsRequestSortItem = typing.Union[
+    typing.Literal["name", "updated_at", "runs_count", "last_activity_at"], typing.Any
+]