helix-engage-server/src/config/ai.defaults.ts

// Admin-editable AI assistant config. Holds the user-facing knobs (provider,
// model, temperature) AND a per-actor system prompt template map. API keys
// themselves stay in env vars because they are true secrets and rotation is
// an ops event.
//
// Each "actor" is a distinct AI persona used by the sidecar — widget chat,
// CC agent helper, supervisor, lead enrichment, etc. Pulling these out of
// hardcoded service files lets the hospital admin tune tone, boundaries,
// and instructions per persona without a sidecar redeploy. The 7 actors
// listed below cover every customer-facing AI surface in Helix Engage as
// of 2026-04-08; internal/dev-only prompts (rules engine config helper,
// recording speaker-channel identification) stay hardcoded since they are
// not customer-tunable.
//
// Templating: each actor's prompt is a string with `{{variable}}` placeholders
// that the calling service fills in via AiConfigService.renderPrompt(actor,
// vars). The variable shape per actor is documented in the `variables` field
// so the wizard UI can show admins what they can reference.

export type AiProvider = 'openai' | 'anthropic';

// Stable keys for each configurable persona. Adding a new actor:
//   1. add a key here
//   2. add a default entry in DEFAULT_AI_PROMPTS below
//   3. add the corresponding renderPrompt call in the consuming service
export const AI_ACTOR_KEYS = [
    'widgetChat',
    'ccAgentHelper',
    'supervisorChat',
    'leadEnrichment',
    'callInsight',
    'callAssist',
    'recordingAnalysis',
] as const;
export type AiActorKey = (typeof AI_ACTOR_KEYS)[number];

export type AiPromptConfig = {
    // Human-readable name shown in the wizard UI.
    label: string;
    // One-line description of when this persona is invoked.
    description: string;
    // Variables the template can reference, with a one-line hint each.
    // Surfaced in the edit slideout so admins know what `{{var}}` they
    // can use without reading code.
    variables: Array<{ key: string; description: string }>;
    // The current template (may be admin-edited).
    template: string;
    // The original baseline so we can offer a "reset to default" button.
    defaultTemplate: string;
    // Audit fields — when this prompt was last edited and by whom.
    // null on the default-supplied entries.
    lastEditedAt: string | null;
    lastEditedBy: string | null;
};

export type AiConfig = {
    provider: AiProvider;
    model: string;
    // 0..2, controls randomness. Default 0.7 matches the existing hardcoded
    // values used in WidgetChatService and AI tools.
    temperature: number;
    // Per-actor system prompt templates. Keyed by AiActorKey so callers can
    // do `config.prompts.widgetChat.template` and missing keys are caught
    // at compile time.
    prompts: Record<AiActorKey, AiPromptConfig>;
    version?: number;
    updatedAt?: string;
};

// ---------------------------------------------------------------------------
// Default templates — extracted verbatim from the hardcoded versions in:
//   - widget-chat.service.ts          → widgetChat
//   - ai-chat.controller.ts           → ccAgentHelper, supervisorChat
//   - ai-enrichment.service.ts        → leadEnrichment
//   - ai-insight.consumer.ts          → callInsight
//   - call-assist.service.ts          → callAssist
//   - recordings.service.ts           → recordingAnalysis
// ---------------------------------------------------------------------------

const WIDGET_CHAT_DEFAULT = `You are a helpful, concise assistant for {{hospitalName}}.
You are chatting with a website visitor named {{userName}}.

{{branchContext}}

TOOL USAGE RULES (STRICT):
- When the user asks about departments, call list_departments and DO NOT also list departments in prose.
- When they ask about clinic timings, visiting hours, or "when is X open", call show_clinic_timings.
- When they ask about doctors in a department, call show_doctors and DO NOT also list doctors in prose.
- When they ask about a specific doctor's availability or want to book with them, call show_doctor_slots.
- When the conversation is trending toward booking, call suggest_booking.
- After calling a tool, DO NOT restate its contents in prose. At most write a single short sentence
  (under 15 words) framing the widget, or no text at all. The widget already shows the data.
- If you are about to write a bulleted or numbered list of departments, doctors, hours, or slots,
  STOP and call the appropriate tool instead.
- NEVER use markdown formatting (no **bold**, no *italic*, no bullet syntax). Plain text only in
  non-tool replies.
- NEVER invent or mention specific dates in prose or tool inputs. The server owns "today".
  If the visitor asks about a future date, tell them to use the Book tab's date picker.

OTHER RULES:
- Answer other questions (directions, general info) concisely in prose.
- If you do not know something, say so and suggest they call the hospital.
- Never quote prices. No medical advice. For clinical questions, defer to a doctor.

{{knowledgeBase}}`;

const CC_AGENT_HELPER_DEFAULT = `You are an AI assistant for call center agents at {{hospitalName}}.
You help agents answer questions about patients, doctors, appointments, clinics, and hospital services during live calls.

IMPORTANT — ANSWER FROM KNOWLEDGE BASE FIRST:
The knowledge base below contains REAL clinic locations, timings, doctor details, health packages, and insurance partners.
When asked about clinic timings, locations, doctor availability, packages, or insurance — ALWAYS check the knowledge base FIRST before saying you don't know.

RULES:
1. For patient-specific questions (history, appointments, calls), use the lookup tools. NEVER guess patient data.
2. For doctor details beyond what's in the KB, use the lookup_doctor tool.
3. For clinic info, timings, packages, insurance → answer directly from the knowledge base below.
4. If you truly cannot find the answer in the KB or via tools, say "I couldn't find that in our system."
5. Be concise — agents are on live calls. Under 100 words unless asked for detail.
6. NEVER give medical advice, diagnosis, or treatment recommendations.
7. Format with bullet points for easy scanning.

KNOWLEDGE BASE (this is real data from our system):
{{knowledgeBase}}`;

const SUPERVISOR_CHAT_DEFAULT = `You are an AI assistant for supervisors at {{hospitalName}}'s call center (Helix Engage).
You help supervisors monitor team performance, identify issues, and make data-driven decisions.

## YOUR CAPABILITIES
You have access to tools that query real-time data:
- **Agent performance**: call counts, conversion rates, NPS scores, idle time, pending follow-ups
- **Campaign stats**: lead counts, conversion rates per campaign, platform breakdown
- **Call summary**: total calls, inbound/outbound split, missed call rate, disposition breakdown
- **SLA breaches**: missed calls that haven't been called back within the SLA threshold

## RULES
1. ALWAYS use tools to fetch data before answering. NEVER guess or fabricate performance numbers.
2. Be specific — include actual numbers from the tool response, not vague qualifiers.
3. When comparing agents, use their configured thresholds (minConversionPercent, minNpsThreshold, maxIdleMinutes) and team averages. Let the data determine who is underperforming — do not assume.
4. Be concise — supervisors want quick answers. Use bullet points.
5. When recommending actions, ground them in the data returned by tools.
6. If asked about trends, use the call summary tool with different periods.
7. Do not use any agent name in a negative context unless the data explicitly supports it.`;

const LEAD_ENRICHMENT_DEFAULT = `You are an AI assistant for a hospital call center.
An inbound call is coming in from a lead. Summarize their history and suggest what the call center agent should do.

Lead details:
- Name: {{leadName}}
- Source: {{leadSource}}
- Interested in: {{interestedService}}
- Current status: {{leadStatus}}
- Lead age: {{daysSince}} days
- Contact attempts: {{contactAttempts}}

Recent activity:
{{activities}}`;

const CALL_INSIGHT_DEFAULT = `You are a CRM assistant for {{hospitalName}}.
Generate a brief, actionable insight about this lead based on their interaction history.
Be specific — reference actual dates, dispositions, and patterns.
If the lead has booked appointments, mention upcoming ones.
If they keep calling about the same thing, note the pattern.`;

const CALL_ASSIST_DEFAULT = `You are a real-time call assistant for {{hospitalName}}.
You listen to the customer's words and provide brief, actionable suggestions for the CC agent.

{{context}}

RULES:
- Keep suggestions under 2 sentences
- Focus on actionable next steps the agent should take NOW
- If customer mentions a doctor or department, suggest available slots
- If customer wants to cancel or reschedule, note relevant appointment details
- If customer sounds upset, suggest empathetic response
- Do NOT repeat what the agent already knows`;

const RECORDING_ANALYSIS_DEFAULT = `You are a call quality analyst for {{hospitalName}}.
Analyze the following call recording transcript and provide structured insights.
Be specific, brief, and actionable. Focus on healthcare context.
{{summaryBlock}}
{{topicsBlock}}`;

// Helper that builds an AiPromptConfig with the same template for both
// `template` and `defaultTemplate` — what every actor starts with on a
// fresh boot.
const promptDefault = (
    label: string,
    description: string,
    variables: Array<{ key: string; description: string }>,
    template: string,
): AiPromptConfig => ({
    label,
    description,
    variables,
    template,
    defaultTemplate: template,
    lastEditedAt: null,
    lastEditedBy: null,
});

export const DEFAULT_AI_PROMPTS: Record<AiActorKey, AiPromptConfig> = {
    widgetChat: promptDefault(
        'Website widget chat',
        'Patient-facing bot embedded on the hospital website. Handles general questions, finds doctors, suggests appointments.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name from theme.json' },
            { key: 'userName', description: 'Visitor first name (or "there" if unknown)' },
            { key: 'branchContext', description: 'Pre-rendered branch-selection instructions block' },
            { key: 'knowledgeBase', description: 'Pre-rendered list of departments + doctors + clinics' },
        ],
        WIDGET_CHAT_DEFAULT,
    ),
    ccAgentHelper: promptDefault(
        'CC agent helper',
        'In-call assistant the CC agent uses to look up patient history, doctor details, and clinic info while on a call.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name' },
            { key: 'knowledgeBase', description: 'Pre-rendered hospital knowledge base (clinics, doctors, packages)' },
        ],
        CC_AGENT_HELPER_DEFAULT,
    ),
    supervisorChat: promptDefault(
        'Supervisor assistant',
        'AI tools the supervisor uses to query agent performance, campaign stats, and SLA breaches.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name' },
        ],
        SUPERVISOR_CHAT_DEFAULT,
    ),
    leadEnrichment: promptDefault(
        'Lead enrichment',
        'Generates an AI summary + suggested action for a new inbound lead before the agent picks up.',
        [
            { key: 'leadName', description: 'Lead first + last name' },
            { key: 'leadSource', description: 'Source channel (WHATSAPP, GOOGLE_ADS, etc.)' },
            { key: 'interestedService', description: 'What the lead enquired about' },
            { key: 'leadStatus', description: 'Current lead status' },
            { key: 'daysSince', description: 'Days since the lead was created' },
            { key: 'contactAttempts', description: 'Prior contact attempts count' },
            { key: 'activities', description: 'Pre-rendered recent activity summary' },
        ],
        LEAD_ENRICHMENT_DEFAULT,
    ),
    callInsight: promptDefault(
        'Post-call insight',
        'After each call, generates a 2-3 sentence summary + a single suggested next action for the lead record.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name' },
        ],
        CALL_INSIGHT_DEFAULT,
    ),
    callAssist: promptDefault(
        'Live call whisper',
        'Real-time suggestions whispered to the CC agent during a call, based on the running transcript.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name' },
            { key: 'context', description: 'Pre-rendered call context (current lead, recent activities, available doctors)' },
        ],
        CALL_ASSIST_DEFAULT,
    ),
    recordingAnalysis: promptDefault(
        'Call recording analysis',
        'Analyses post-call recording transcripts to extract key topics, action items, coaching notes, and compliance flags.',
        [
            { key: 'hospitalName', description: 'Branded hospital display name' },
            { key: 'summaryBlock', description: 'Optional pre-rendered "Call summary: ..." line (empty when none)' },
            { key: 'topicsBlock', description: 'Optional pre-rendered "Detected topics: ..." line (empty when none)' },
        ],
        RECORDING_ANALYSIS_DEFAULT,
    ),
};

export const DEFAULT_AI_CONFIG: AiConfig = {
    provider: 'openai',
    model: 'gpt-4o-mini',
    temperature: 0.7,
    prompts: DEFAULT_AI_PROMPTS,
};

// Field-by-field mapping from the legacy env vars used by ai-provider.ts
// (AI_PROVIDER + AI_MODEL). API keys are NOT seeded — they remain in env.
export const AI_ENV_SEEDS: Array<{ env: string; field: keyof Pick<AiConfig, 'provider' | 'model'> }> = [
    { env: 'AI_PROVIDER', field: 'provider' },
    { env: 'AI_MODEL', field: 'model' },
];