/**
 * Briefing — System Section Builder
 *
 * Assembles system-level metadata for the briefing resource:
 * server version, tool/resource/prompt surface area counts,
 * local time, unreleased change summary, test health indicators,
 * active filter state, and operational configuration context.
 *
 * Heavy operations (file reads) are cached at module load to avoid
 * repeated I/O on every briefing read.
 */
import type { ToolFilterConfig } from '../../../../filtering/tool-filter.js';
import type { BriefingConfig } from '../../shared.js';
export interface GitHistorySummary {
    stats?: {
        total: number;
        highImpact: number;
        lowImpact: number;
        avgConfidence: number;
    };
    commits: {
        hash: string;
        type?: string;
        size?: string;
        significance?: number | string;
        confidence?: number | string;
        isBreaking?: boolean;
        message: string;
        isPushed?: boolean;
        associatedIssues?: string[];
    }[];
}
export interface TestHealth {
    unitTests: number;
    e2eTests: number;
    coverage: number;
}
export interface SystemContext {
    version: string;
    toolCount: number;
    resourceCount: number;
    promptCount: number;
    localTime: string;
    gitHistory: GitHistorySummary | null;
    testHealth: TestHealth | null;
    /** Compact filter summary, e.g. "codemode (1/70)", or null when all tools exposed */
    filterSummary: string | null;
    /** Whether the system is in a read-only state (admin tools disabled) */
    isReadonly: boolean;
    /** Count of ALLOWED_IO_ROOTS entries */
    ioRootCount: number;
    /** Whether code-map.md exists in the project root */
    hasCodeMap: boolean;
    /** Days elapsed since the last tagged release in CHANGELOG.md */
    lastReleaseDaysAgo: number | null;
    /** Status of the local lint/tsc check, if available */
    localCheck: boolean | null;
    /** The active workspace ID if configured */
    workspaceId?: string;
}
export interface BuildSystemContextOptions {
    config?: BriefingConfig;
    filterConfig?: ToolFilterConfig | null;
    targetRepoPath?: string;
}
/**
 * Parse README.md badge lines for test counts and coverage.
 *
 * Looks for shields.io badge patterns:
 * - `Tests-(\d+)_passed` or `Tests-(\d+)%20passed`
 * - `E2E_Tests-(\d+)_passed` or `E2E%20Tests-(\d+)_passed`
 * - `Coverage-([0-9.]+)%25`
 */
export declare function parseTestHealth(content: string): TestHealth | null;
export declare function parseLastReleaseAge(content: string): number | null;
/**
 * Build system-level context for the briefing.
 *
 * Version, tool count, and prompt count are derived from live registries.
 * Unreleased summary and test health are startup-cached from project files.
 * localTime provides chronological grounding for date-relative agent queries.
 * Filter, instruction level, and registry state are derived from runtime config.
 */
export declare function buildSystemContext(config?: BriefingConfig, filterConfig?: ToolFilterConfig | null, targetRepoPath?: string, resourceCount?: number): SystemContext;
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