Move chat prompts to prompts

This commit is contained in:
Nicolas Mowen 2026-05-19 09:13:55 -06:00
parent f5b7395d69
commit 31f9611d34
2 changed files with 538 additions and 513 deletions

View File

@ -37,8 +37,11 @@ from frigate.api.defs.response.chat_response import (
from frigate.api.defs.tags import Tags
from frigate.api.event import _build_attribute_filter_clause, events
from frigate.config import FrigateConfig
from frigate.config.classification import ObjectClassificationType
from frigate.config.ui import UnitSystemEnum
from frigate.genai.prompts import (
build_chat_system_prompt,
get_attribute_classifications,
get_tool_definitions,
)
from frigate.genai.utils import build_assistant_message_for_conversation
from frigate.jobs.vlm_watch import (
get_vlm_watch_job,
@ -69,440 +72,6 @@ class VLMMonitorRequest(BaseModel):
zones: List[str] = []
def get_attribute_classifications(config: FrigateConfig) -> List[Dict[str, Any]]:
"""Return enabled custom classification models of `attribute` type.
Each entry: {"name": <model name>, "objects": [<object label>, ...]}.
These models attach attribute metadata to events on the listed object
types, which can later be filtered via the search_objects `attribute`
field.
"""
result: List[Dict[str, Any]] = []
for model_key, model_config in config.classification.custom.items():
if not model_config.enabled or model_config.object_config is None:
continue
if (
model_config.object_config.classification_type
!= ObjectClassificationType.attribute
):
continue
result.append(
{
"name": model_config.name or model_key,
"objects": list(model_config.object_config.objects or []),
}
)
return result
def get_tool_definitions(
semantic_search_enabled: bool = False,
attribute_classifications: Optional[List[Dict[str, Any]]] = None,
) -> List[Dict[str, Any]]:
"""
Get OpenAI-compatible tool definitions for Frigate.
Returns a list of tool definitions that can be used with OpenAI-compatible
function calling APIs. When semantic search is enabled, the search_objects
tool exposes an additional `semantic_query` parameter for descriptive
queries (e.g. "person riding a lawn mower") and find_similar_objects is
included. When attribute classification models are configured, an
`attribute` parameter is exposed for filtering by their labels.
"""
search_objects_properties: Dict[str, Any] = {
"camera": {
"type": "string",
"description": "Camera name to filter by (optional).",
},
"label": {
"type": "string",
"description": (
"Generic object class to filter by — one of the tracked detector "
"labels such as 'person', 'package', 'car', 'dog', 'bird'. Use "
"this for broad queries like 'show me all cars today'. Combine "
"with semantic_query when the user also describes appearance or "
"behavior (e.g. label='person', semantic_query='riding a lawn "
"mower')."
),
},
"sub_label": {
"type": "string",
"description": (
"Filter by a DISCRETE NAMED entity recognized in the detection. "
"Use this for: a known person's name ('John'), a delivery "
"company ('Amazon', 'UPS'), a recognized animal species or "
"breed ('blue jay', 'cardinal', 'golden retriever'), or a "
"license plate string. When filtering by a specific name, set "
"only sub_label and leave label unset. Do NOT use sub_label "
"for descriptions of appearance, clothing, or actions — those "
"belong in semantic_query."
),
},
"after": {
"type": "string",
"description": "Start time in ISO 8601 format (e.g., '2024-01-01T00:00:00Z').",
},
"before": {
"type": "string",
"description": "End time in ISO 8601 format (e.g., '2024-01-01T23:59:59Z').",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "List of zone names to filter by.",
},
"limit": {
"type": "integer",
"description": "Maximum number of objects to return (default: 25).",
"default": 25,
},
}
if attribute_classifications:
model_outline = "; ".join(
f"{m['name']} (applies to {', '.join(m['objects']) or 'any object'})"
for m in attribute_classifications
)
search_objects_properties["attribute"] = {
"type": "string",
"description": (
"Filter by a classification attribute label produced by a "
"configured attribute classification model. Use this INSTEAD "
"of semantic_query when the user's request matches one of "
"these classifications. Configured models: "
f"{model_outline}. "
"Set the value to the attribute label that matches the user's "
"phrasing (case-sensitive)."
),
}
if semantic_search_enabled:
search_objects_properties["semantic_query"] = {
"type": "string",
"description": (
"Optional natural-language description of a PHYSICAL "
"CHARACTERISTIC, APPEARANCE, or ACTIVITY the user mentioned, "
"used to semantically narrow results. Only set this when the "
"user describes something beyond what label and sub_label can "
"express on their own.\n"
"USE for descriptive phrases like: 'riding a lawn mower', "
"'wearing a red jacket', 'carrying a package', 'walking a "
"dog', 'on a bicycle', 'holding an umbrella'.\n"
"DO NOT USE for:\n"
"- specific named people, pets, or delivery companies → use sub_label\n"
"- animal species or breed names like 'blue jay', 'cardinal', "
"'golden retriever' → use sub_label\n"
"- license plate strings → use sub_label\n"
"- generic object queries like 'all cars today' or 'every "
"person' → use label alone with no semantic_query\n"
"When set, combine with label/time/camera/zone filters as "
"usual (e.g. label='person', semantic_query='riding a lawn "
"mower', after='2024-05-01T00:00:00Z')."
),
}
search_objects_description = (
"Search the historical record of detected objects in Frigate. "
"Use this ONLY for questions about the PAST — e.g. 'did anyone come by today?', "
"'when was the last car?', 'show me detections from yesterday'. "
"Do NOT use this for monitoring or alerting requests about future events — "
"use start_camera_watch instead for those. "
"An 'object' in Frigate represents a tracked detection (e.g., a person, package, car).\n\n"
"Choose filters based on what the user is asking for:\n"
"- Generic class query ('show me all cars today'): set `label` only.\n"
"- Specific NAMED entity (known person, delivery company, animal "
"species/breed like 'blue jay' or 'golden retriever', license "
"plate): set `sub_label` only and leave `label` unset.\n"
)
if semantic_search_enabled:
search_objects_description += (
"- Physical CHARACTERISTIC, APPEARANCE, or ACTIVITY that is not a "
"discrete name ('person riding a lawn mower', 'someone in a red "
"jacket', 'person carrying a package'): set `semantic_query` with "
"the descriptive phrase, optionally alongside `label` for the "
"object class. Do NOT put descriptive phrases in sub_label."
)
return [
{
"type": "function",
"function": {
"name": "search_objects",
"description": search_objects_description,
"parameters": {
"type": "object",
"properties": search_objects_properties,
},
"required": [],
},
},
{
"type": "function",
"function": {
"name": "find_similar_objects",
"description": (
"Find tracked objects that are visually and semantically similar "
"to a specific past event. Use this when the user references a "
"particular object they have seen and wants to find other "
"sightings of the same or similar one ('that green car', 'the "
"person in the red jacket', 'the package that was delivered'). "
"Prefer this over search_objects whenever the user's intent is "
"'find more like this specific one.' Use search_objects first "
"only if you need to locate the anchor event. Requires semantic "
"search to be enabled."
),
"parameters": {
"type": "object",
"properties": {
"event_id": {
"type": "string",
"description": "The id of the anchor event to find similar objects to.",
},
"after": {
"type": "string",
"description": "Start time in ISO 8601 format (e.g., '2024-01-01T00:00:00Z').",
},
"before": {
"type": "string",
"description": "End time in ISO 8601 format (e.g., '2024-01-01T23:59:59Z').",
},
"cameras": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of cameras to restrict to. Defaults to all.",
},
"labels": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of labels to restrict to. Defaults to the anchor event's label.",
},
"sub_labels": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of sub_labels (names) to restrict to.",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of zones. An event matches if any of its zones overlap.",
},
"similarity_mode": {
"type": "string",
"enum": ["visual", "semantic", "fused"],
"description": "Which similarity signal(s) to use. 'fused' (default) combines visual and semantic.",
"default": "fused",
},
"min_score": {
"type": "number",
"description": "Drop matches with a similarity score below this threshold (0.0-1.0).",
},
"limit": {
"type": "integer",
"description": "Maximum number of matches to return (default: 10).",
"default": 10,
},
},
"required": ["event_id"],
},
},
},
{
"type": "function",
"function": {
"name": "set_camera_state",
"description": (
"Change a camera's feature state (e.g., turn detection on/off, enable/disable recordings). "
"Use camera='*' to apply to all cameras at once. "
"Only call this tool when the user explicitly asks to change a camera setting. "
"Requires admin privileges."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera name to target, or '*' to target all cameras.",
},
"feature": {
"type": "string",
"enum": [
"detect",
"record",
"snapshots",
"audio",
"motion",
"enabled",
"birdseye",
"birdseye_mode",
"improve_contrast",
"ptz_autotracker",
"motion_contour_area",
"motion_threshold",
"notifications",
"audio_transcription",
"review_alerts",
"review_detections",
"object_descriptions",
"review_descriptions",
"profile",
],
"description": (
"The feature to change. Most features accept ON or OFF. "
"birdseye_mode accepts CONTINUOUS, MOTION, or OBJECTS. "
"motion_contour_area and motion_threshold accept a number. "
"profile accepts a profile name or 'none' to deactivate (requires camera='*')."
),
},
"value": {
"type": "string",
"description": "The value to set. ON or OFF for toggles, a number for thresholds, a profile name or 'none' for profile.",
},
},
"required": ["camera", "feature", "value"],
},
},
},
{
"type": "function",
"function": {
"name": "get_live_context",
"description": (
"Get the current live image and detection information for a camera: objects being tracked, "
"zones, timestamps. Use this to understand what is visible in the live view. "
"Call this when answering questions about what is happening right now on a specific camera."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera name to get live context for.",
},
},
"required": ["camera"],
},
},
},
{
"type": "function",
"function": {
"name": "start_camera_watch",
"description": (
"Start a continuous VLM watch job that monitors a camera and sends a notification "
"when a specified condition is met. Use this when the user wants to be alerted about "
"a future event, e.g. 'tell me when guests arrive' or 'notify me when the package is picked up'. "
"Only one watch job can run at a time. Returns a job ID."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera ID to monitor.",
},
"condition": {
"type": "string",
"description": (
"Natural-language description of the condition to watch for, "
"e.g. 'a person arrives at the front door'."
),
},
"max_duration_minutes": {
"type": "integer",
"description": "Maximum time to watch before giving up (minutes, default 60).",
"default": 60,
},
"labels": {
"type": "array",
"items": {"type": "string"},
"description": "Object labels that should trigger a VLM check (e.g. ['person', 'car']). If omitted, any detection on the camera triggers a check.",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "Zone names to filter by. If specified, only detections in these zones trigger a VLM check.",
},
},
"required": ["camera", "condition"],
},
},
},
{
"type": "function",
"function": {
"name": "stop_camera_watch",
"description": (
"Cancel the currently running VLM watch job. Use this when the user wants to "
"stop a previously started watch, e.g. 'stop watching the front door'."
),
"parameters": {
"type": "object",
"properties": {},
"required": [],
},
},
},
{
"type": "function",
"function": {
"name": "get_profile_status",
"description": (
"Get the current profile status including the active profile and "
"timestamps of when each profile was last activated. Use this to "
"determine time periods for recap requests — e.g. when the user asks "
"'what happened while I was away?', call this first to find the relevant "
"time window based on profile activation history."
),
"parameters": {
"type": "object",
"properties": {},
"required": [],
},
},
},
{
"type": "function",
"function": {
"name": "get_recap",
"description": (
"Get a recap of all activity (alerts and detections) for a given time period. "
"Use this after calling get_profile_status to retrieve what happened during "
"a specific window — e.g. 'what happened while I was away?'. Returns a "
"chronological list of activity with camera, objects, zones, and GenAI-generated "
"descriptions when available. Summarize the results for the user."
),
"parameters": {
"type": "object",
"properties": {
"after": {
"type": "string",
"description": "Start of the time period in ISO 8601 format (e.g. '2025-03-15T08:00:00').",
},
"before": {
"type": "string",
"description": "End of the time period in ISO 8601 format (e.g. '2025-03-15T17:00:00').",
},
"cameras": {
"type": "string",
"description": "Comma-separated camera IDs to include, or 'all' for all cameras. Default is 'all'.",
},
"severity": {
"type": "string",
"enum": ["alert", "detection"],
"description": "Filter by severity level. Omit to include both alerts and detections.",
},
},
"required": ["after", "before"],
},
},
},
]
@router.get(
"/chat/tools",
dependencies=[Depends(allow_any_authenticated())],
@ -1550,81 +1119,12 @@ async def chat_completion(
)
conversation = []
current_datetime = datetime.now()
current_date_str = current_datetime.strftime("%Y-%m-%d")
current_time_str = current_datetime.strftime("%I:%M:%S %p")
cameras_info = []
has_speed_zone = False
for camera_id in allowed_cameras:
if camera_id not in config.cameras:
continue
camera_config = config.cameras[camera_id]
friendly_name = (
camera_config.friendly_name
if camera_config.friendly_name
else camera_id.replace("_", " ").title()
)
zone_names = list(camera_config.zones.keys())
if not has_speed_zone:
has_speed_zone = any(
zone.distances for zone in camera_config.zones.values()
)
if zone_names:
cameras_info.append(
f" - {friendly_name} (ID: {camera_id}, zones: {', '.join(zone_names)})"
)
else:
cameras_info.append(f" - {friendly_name} (ID: {camera_id})")
cameras_section = ""
if cameras_info:
cameras_section = (
"\n\nAvailable cameras:\n"
+ "\n".join(cameras_info)
+ "\n\nWhen users refer to cameras by their friendly name (e.g., 'Back Deck Camera'), use the corresponding camera ID (e.g., 'back_deck_cam') in tool calls."
)
speed_units_section = ""
if has_speed_zone:
speed_unit = (
"mph" if config.ui.unit_system == UnitSystemEnum.imperial else "km/h"
)
speed_units_section = f"\n\nReport object speeds to the user in {speed_unit}."
semantic_search_section = ""
if semantic_search_enabled:
semantic_search_section = (
"\n\nWhen routing a search_objects call, pick filters by the shape of the user's request:\n"
"- Generic class ('show me all cars today'): set `label` only.\n"
"- Specific named entity — a known person ('John'), delivery company ('Amazon'), animal species/breed ('blue jay', 'cardinal', 'golden retriever'), or license plate: set `sub_label` only and leave `label` unset.\n"
"- Physical characteristic, appearance, or activity that is NOT a discrete name ('find me people riding a lawn mower', 'someone in a red jacket', 'a person carrying a package'): set `semantic_query` with the descriptive phrase, optionally combined with `label` for the object class. Never put descriptive phrases in `sub_label`."
)
attribute_classification_section = ""
if attribute_classifications:
model_lines = "\n".join(
f"- {m['name']}: applies to {', '.join(m['objects']) or 'any object'}"
for m in attribute_classifications
)
attribute_classification_section = (
"\n\nAttribute classification models are configured for the following object types:\n"
f"{model_lines}\n"
"When the user's request matches one of these classifications, set the search_objects `attribute` field to the matching label rather than using `semantic_query`. Reserve `semantic_query` for descriptive phrases that fall outside the configured attribute labels."
)
system_prompt = f"""You are a helpful assistant for Frigate, a security camera NVR system. You help users answer questions about their cameras, detected objects, and events.
Current server local date and time: {current_date_str} at {current_time_str}
Do not start your response with phrases like "I will check...", "Let me see...", or "Let me look...". Answer directly.
Always present times to the user in the server's local timezone. When tool results include start_time_local and end_time_local, use those exact strings when listing or describing detection times—do not convert or invent timestamps. Do not use UTC or ISO format with Z for the user-facing answer unless the tool result only provides Unix timestamps without local time fields.
When users ask about "today", "yesterday", "this week", etc., use the current date above as reference.
When searching for objects or events, use ISO 8601 format for dates (e.g., {current_date_str}T00:00:00Z for the start of today).
Always be accurate with time calculations based on the current date provided.
When a user refers to a specific object they have seen or describe with identifying details ("that green car", "the person in the red jacket", "a package left today"), prefer the find_similar_objects tool over search_objects. Use search_objects first only to locate the anchor event, then pass its id to find_similar_objects. For generic queries like "show me all cars today", keep using search_objects. If a user message begins with [attached_event:<id>], treat that event id as the anchor for any similarity or "tell me more" request in the same message and call find_similar_objects with that id.{semantic_search_section}{attribute_classification_section}{cameras_section}{speed_units_section}"""
system_prompt = build_chat_system_prompt(
config=config,
allowed_cameras=allowed_cameras,
semantic_search_enabled=semantic_search_enabled,
attribute_classifications=attribute_classifications,
)
conversation.append(
{

View File

@ -6,11 +6,13 @@ transport.
"""
import datetime
from typing import Any
from typing import Any, Dict, List, Optional
from playhouse.shortcuts import model_to_dict
from frigate.config import CameraConfig
from frigate.config import CameraConfig, FrigateConfig
from frigate.config.classification import ObjectClassificationType
from frigate.config.ui import UnitSystemEnum
from frigate.data_processing.post.types import ReviewMetadata
from frigate.models import Event
@ -212,3 +214,526 @@ def build_object_description_prompt(
camera_config.objects.genai.prompt,
)
return template.format(**model_to_dict(event))
def get_attribute_classifications(config: FrigateConfig) -> List[Dict[str, Any]]:
"""Return enabled custom classification models of `attribute` type.
Each entry: {"name": <model name>, "objects": [<object label>, ...]}.
These models attach attribute metadata to events on the listed object
types, which can later be filtered via the search_objects `attribute`
field.
"""
result: List[Dict[str, Any]] = []
for model_key, model_config in config.classification.custom.items():
if not model_config.enabled or model_config.object_config is None:
continue
if (
model_config.object_config.classification_type
!= ObjectClassificationType.attribute
):
continue
result.append(
{
"name": model_config.name or model_key,
"objects": list(model_config.object_config.objects or []),
}
)
return result
def get_tool_definitions(
semantic_search_enabled: bool = False,
attribute_classifications: Optional[List[Dict[str, Any]]] = None,
) -> List[Dict[str, Any]]:
"""
Get OpenAI-compatible tool definitions for Frigate.
Returns a list of tool definitions that can be used with OpenAI-compatible
function calling APIs. When semantic search is enabled, the search_objects
tool exposes an additional `semantic_query` parameter for descriptive
queries (e.g. "person riding a lawn mower") and find_similar_objects is
included. When attribute classification models are configured, an
`attribute` parameter is exposed for filtering by their labels.
"""
search_objects_properties: Dict[str, Any] = {
"camera": {
"type": "string",
"description": "Camera name to filter by (optional).",
},
"label": {
"type": "string",
"description": (
"Generic object class to filter by — one of the tracked detector "
"labels such as 'person', 'package', 'car', 'dog', 'bird'. Use "
"this for broad queries like 'show me all cars today'. Combine "
"with semantic_query when the user also describes appearance or "
"behavior (e.g. label='person', semantic_query='riding a lawn "
"mower')."
),
},
"sub_label": {
"type": "string",
"description": (
"Filter by a DISCRETE NAMED entity recognized in the detection. "
"Use this for: a known person's name ('John'), a delivery "
"company ('Amazon', 'UPS'), a recognized animal species or "
"breed ('blue jay', 'cardinal', 'golden retriever'), or a "
"license plate string. When filtering by a specific name, set "
"only sub_label and leave label unset. Do NOT use sub_label "
"for descriptions of appearance, clothing, or actions — those "
"belong in semantic_query."
),
},
"after": {
"type": "string",
"description": "Start time in ISO 8601 format (e.g., '2024-01-01T00:00:00Z').",
},
"before": {
"type": "string",
"description": "End time in ISO 8601 format (e.g., '2024-01-01T23:59:59Z').",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "List of zone names to filter by.",
},
"limit": {
"type": "integer",
"description": "Maximum number of objects to return (default: 25).",
"default": 25,
},
}
if attribute_classifications:
model_outline = "; ".join(
f"{m['name']} (applies to {', '.join(m['objects']) or 'any object'})"
for m in attribute_classifications
)
search_objects_properties["attribute"] = {
"type": "string",
"description": (
"Filter by a classification attribute label produced by a "
"configured attribute classification model. Use this INSTEAD "
"of semantic_query when the user's request matches one of "
"these classifications. Configured models: "
f"{model_outline}. "
"Set the value to the attribute label that matches the user's "
"phrasing (case-sensitive)."
),
}
if semantic_search_enabled:
search_objects_properties["semantic_query"] = {
"type": "string",
"description": (
"Optional natural-language description of a PHYSICAL "
"CHARACTERISTIC, APPEARANCE, or ACTIVITY the user mentioned, "
"used to semantically narrow results. Only set this when the "
"user describes something beyond what label and sub_label can "
"express on their own.\n"
"USE for descriptive phrases like: 'riding a lawn mower', "
"'wearing a red jacket', 'carrying a package', 'walking a "
"dog', 'on a bicycle', 'holding an umbrella'.\n"
"DO NOT USE for:\n"
"- specific named people, pets, or delivery companies → use sub_label\n"
"- animal species or breed names like 'blue jay', 'cardinal', "
"'golden retriever' → use sub_label\n"
"- license plate strings → use sub_label\n"
"- generic object queries like 'all cars today' or 'every "
"person' → use label alone with no semantic_query\n"
"When set, combine with label/time/camera/zone filters as "
"usual (e.g. label='person', semantic_query='riding a lawn "
"mower', after='2024-05-01T00:00:00Z')."
),
}
search_objects_description = (
"Search the historical record of detected objects in Frigate. "
"Use this ONLY for questions about the PAST — e.g. 'did anyone come by today?', "
"'when was the last car?', 'show me detections from yesterday'. "
"Do NOT use this for monitoring or alerting requests about future events — "
"use start_camera_watch instead for those. "
"An 'object' in Frigate represents a tracked detection (e.g., a person, package, car).\n\n"
"Choose filters based on what the user is asking for:\n"
"- Generic class query ('show me all cars today'): set `label` only.\n"
"- Specific NAMED entity (known person, delivery company, animal "
"species/breed like 'blue jay' or 'golden retriever', license "
"plate): set `sub_label` only and leave `label` unset.\n"
)
if semantic_search_enabled:
search_objects_description += (
"- Physical CHARACTERISTIC, APPEARANCE, or ACTIVITY that is not a "
"discrete name ('person riding a lawn mower', 'someone in a red "
"jacket', 'person carrying a package'): set `semantic_query` with "
"the descriptive phrase, optionally alongside `label` for the "
"object class. Do NOT put descriptive phrases in sub_label."
)
return [
{
"type": "function",
"function": {
"name": "search_objects",
"description": search_objects_description,
"parameters": {
"type": "object",
"properties": search_objects_properties,
},
"required": [],
},
},
{
"type": "function",
"function": {
"name": "find_similar_objects",
"description": (
"Find tracked objects that are visually and semantically similar "
"to a specific past event. Use this when the user references a "
"particular object they have seen and wants to find other "
"sightings of the same or similar one ('that green car', 'the "
"person in the red jacket', 'the package that was delivered'). "
"Prefer this over search_objects whenever the user's intent is "
"'find more like this specific one.' Use search_objects first "
"only if you need to locate the anchor event. Requires semantic "
"search to be enabled."
),
"parameters": {
"type": "object",
"properties": {
"event_id": {
"type": "string",
"description": "The id of the anchor event to find similar objects to.",
},
"after": {
"type": "string",
"description": "Start time in ISO 8601 format (e.g., '2024-01-01T00:00:00Z').",
},
"before": {
"type": "string",
"description": "End time in ISO 8601 format (e.g., '2024-01-01T23:59:59Z').",
},
"cameras": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of cameras to restrict to. Defaults to all.",
},
"labels": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of labels to restrict to. Defaults to the anchor event's label.",
},
"sub_labels": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of sub_labels (names) to restrict to.",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "Optional list of zones. An event matches if any of its zones overlap.",
},
"similarity_mode": {
"type": "string",
"enum": ["visual", "semantic", "fused"],
"description": "Which similarity signal(s) to use. 'fused' (default) combines visual and semantic.",
"default": "fused",
},
"min_score": {
"type": "number",
"description": "Drop matches with a similarity score below this threshold (0.0-1.0).",
},
"limit": {
"type": "integer",
"description": "Maximum number of matches to return (default: 10).",
"default": 10,
},
},
"required": ["event_id"],
},
},
},
{
"type": "function",
"function": {
"name": "set_camera_state",
"description": (
"Change a camera's feature state (e.g., turn detection on/off, enable/disable recordings). "
"Use camera='*' to apply to all cameras at once. "
"Only call this tool when the user explicitly asks to change a camera setting. "
"Requires admin privileges."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera name to target, or '*' to target all cameras.",
},
"feature": {
"type": "string",
"enum": [
"detect",
"record",
"snapshots",
"audio",
"motion",
"enabled",
"birdseye",
"birdseye_mode",
"improve_contrast",
"ptz_autotracker",
"motion_contour_area",
"motion_threshold",
"notifications",
"audio_transcription",
"review_alerts",
"review_detections",
"object_descriptions",
"review_descriptions",
"profile",
],
"description": (
"The feature to change. Most features accept ON or OFF. "
"birdseye_mode accepts CONTINUOUS, MOTION, or OBJECTS. "
"motion_contour_area and motion_threshold accept a number. "
"profile accepts a profile name or 'none' to deactivate (requires camera='*')."
),
},
"value": {
"type": "string",
"description": "The value to set. ON or OFF for toggles, a number for thresholds, a profile name or 'none' for profile.",
},
},
"required": ["camera", "feature", "value"],
},
},
},
{
"type": "function",
"function": {
"name": "get_live_context",
"description": (
"Get the current live image and detection information for a camera: objects being tracked, "
"zones, timestamps. Use this to understand what is visible in the live view. "
"Call this when answering questions about what is happening right now on a specific camera."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera name to get live context for.",
},
},
"required": ["camera"],
},
},
},
{
"type": "function",
"function": {
"name": "start_camera_watch",
"description": (
"Start a continuous VLM watch job that monitors a camera and sends a notification "
"when a specified condition is met. Use this when the user wants to be alerted about "
"a future event, e.g. 'tell me when guests arrive' or 'notify me when the package is picked up'. "
"Only one watch job can run at a time. Returns a job ID."
),
"parameters": {
"type": "object",
"properties": {
"camera": {
"type": "string",
"description": "Camera ID to monitor.",
},
"condition": {
"type": "string",
"description": (
"Natural-language description of the condition to watch for, "
"e.g. 'a person arrives at the front door'."
),
},
"max_duration_minutes": {
"type": "integer",
"description": "Maximum time to watch before giving up (minutes, default 60).",
"default": 60,
},
"labels": {
"type": "array",
"items": {"type": "string"},
"description": "Object labels that should trigger a VLM check (e.g. ['person', 'car']). If omitted, any detection on the camera triggers a check.",
},
"zones": {
"type": "array",
"items": {"type": "string"},
"description": "Zone names to filter by. If specified, only detections in these zones trigger a VLM check.",
},
},
"required": ["camera", "condition"],
},
},
},
{
"type": "function",
"function": {
"name": "stop_camera_watch",
"description": (
"Cancel the currently running VLM watch job. Use this when the user wants to "
"stop a previously started watch, e.g. 'stop watching the front door'."
),
"parameters": {
"type": "object",
"properties": {},
"required": [],
},
},
},
{
"type": "function",
"function": {
"name": "get_profile_status",
"description": (
"Get the current profile status including the active profile and "
"timestamps of when each profile was last activated. Use this to "
"determine time periods for recap requests — e.g. when the user asks "
"'what happened while I was away?', call this first to find the relevant "
"time window based on profile activation history."
),
"parameters": {
"type": "object",
"properties": {},
"required": [],
},
},
},
{
"type": "function",
"function": {
"name": "get_recap",
"description": (
"Get a recap of all activity (alerts and detections) for a given time period. "
"Use this after calling get_profile_status to retrieve what happened during "
"a specific window — e.g. 'what happened while I was away?'. Returns a "
"chronological list of activity with camera, objects, zones, and GenAI-generated "
"descriptions when available. Summarize the results for the user."
),
"parameters": {
"type": "object",
"properties": {
"after": {
"type": "string",
"description": "Start of the time period in ISO 8601 format (e.g. '2025-03-15T08:00:00').",
},
"before": {
"type": "string",
"description": "End of the time period in ISO 8601 format (e.g. '2025-03-15T17:00:00').",
},
"cameras": {
"type": "string",
"description": "Comma-separated camera IDs to include, or 'all' for all cameras. Default is 'all'.",
},
"severity": {
"type": "string",
"enum": ["alert", "detection"],
"description": "Filter by severity level. Omit to include both alerts and detections.",
},
},
"required": ["after", "before"],
},
},
},
]
def build_chat_system_prompt(
config: FrigateConfig,
allowed_cameras: List[str],
semantic_search_enabled: bool,
attribute_classifications: List[Dict[str, Any]],
) -> str:
"""Build the system prompt for the chat completion endpoint.
Composes the static framing with conditional sections describing the
available cameras, speed units, semantic-search routing guidance, and
configured attribute classifications.
"""
current_datetime = datetime.datetime.now()
current_date_str = current_datetime.strftime("%Y-%m-%d")
current_time_str = current_datetime.strftime("%I:%M:%S %p")
cameras_info: List[str] = []
has_speed_zone = False
for camera_id in allowed_cameras:
if camera_id not in config.cameras:
continue
camera_config = config.cameras[camera_id]
friendly_name = (
camera_config.friendly_name
if camera_config.friendly_name
else camera_id.replace("_", " ").title()
)
zone_names = list(camera_config.zones.keys())
if not has_speed_zone:
has_speed_zone = any(
zone.distances for zone in camera_config.zones.values()
)
if zone_names:
cameras_info.append(
f" - {friendly_name} (ID: {camera_id}, zones: {', '.join(zone_names)})"
)
else:
cameras_info.append(f" - {friendly_name} (ID: {camera_id})")
cameras_section = ""
if cameras_info:
cameras_section = (
"\n\nAvailable cameras:\n"
+ "\n".join(cameras_info)
+ "\n\nWhen users refer to cameras by their friendly name (e.g., 'Back Deck Camera'), use the corresponding camera ID (e.g., 'back_deck_cam') in tool calls."
)
speed_units_section = ""
if has_speed_zone:
speed_unit = (
"mph" if config.ui.unit_system == UnitSystemEnum.imperial else "km/h"
)
speed_units_section = f"\n\nReport object speeds to the user in {speed_unit}."
semantic_search_section = ""
if semantic_search_enabled:
semantic_search_section = (
"\n\nWhen routing a search_objects call, pick filters by the shape of the user's request:\n"
"- Generic class ('show me all cars today'): set `label` only.\n"
"- Specific named entity — a known person ('John'), delivery company ('Amazon'), animal species/breed ('blue jay', 'cardinal', 'golden retriever'), or license plate: set `sub_label` only and leave `label` unset.\n"
"- Physical characteristic, appearance, or activity that is NOT a discrete name ('find me people riding a lawn mower', 'someone in a red jacket', 'a person carrying a package'): set `semantic_query` with the descriptive phrase, optionally combined with `label` for the object class. Never put descriptive phrases in `sub_label`."
)
attribute_classification_section = ""
if attribute_classifications:
model_lines = "\n".join(
f"- {m['name']}: applies to {', '.join(m['objects']) or 'any object'}"
for m in attribute_classifications
)
attribute_classification_section = (
"\n\nAttribute classification models are configured for the following object types:\n"
f"{model_lines}\n"
"When the user's request matches one of these classifications, set the search_objects `attribute` field to the matching label rather than using `semantic_query`. Reserve `semantic_query` for descriptive phrases that fall outside the configured attribute labels."
)
return f"""You are a helpful assistant for Frigate, a security camera NVR system. You help users answer questions about their cameras, detected objects, and events.
Current server local date and time: {current_date_str} at {current_time_str}
Do not start your response with phrases like "I will check...", "Let me see...", or "Let me look...". Answer directly.
Always present times to the user in the server's local timezone. When tool results include start_time_local and end_time_local, use those exact strings when listing or describing detection times—do not convert or invent timestamps. Do not use UTC or ISO format with Z for the user-facing answer unless the tool result only provides Unix timestamps without local time fields.
When users ask about "today", "yesterday", "this week", etc., use the current date above as reference.
When searching for objects or events, use ISO 8601 format for dates (e.g., {current_date_str}T00:00:00Z for the start of today).
Always be accurate with time calculations based on the current date provided.
When a user refers to a specific object they have seen or describe with identifying details ("that green car", "the person in the red jacket", "a package left today"), prefer the find_similar_objects tool over search_objects. Use search_objects first only to locate the anchor event, then pass its id to find_similar_objects. For generic queries like "show me all cars today", keep using search_objects. If a user message begins with [attached_event:<id>], treat that event id as the anchor for any similarity or "tell me more" request in the same message and call find_similar_objects with that id.{semantic_search_section}{attribute_classification_section}{cameras_section}{speed_units_section}"""