feat: change context file

src/context/context-budget.ts → src/context/budget/context-budget.ts

@@ -1,4 +1,4 @@
-import type {BuildContextInput, ContextBudget} from "./types.js";
+import type {BuildContextInput, ContextBudget} from "../types.js";
 
 /** Strategy used to derive runtime context budget from build input. */
 export interface ContextBudgetPolicy {

src/context/priority-policy.ts → src/context/budget/priority-policy.ts

@@ -1,4 +1,4 @@
-import type {ContextSection, ContextSource} from "./types.js";
+import type {ContextSection, ContextSource} from "../types.js";
 
 /** Strategy used to order context sections. */
 export interface ContextPriorityPolicy {

src/context/context-compression-pipeline.ts → src/context/compression/context-compression-pipeline.ts

@@ -3,9 +3,12 @@ import {
   NoopContextCompressor,
   type ContextCompressor,
 } from "./context-compressor.js";
-import {formatContextSection} from "./context-formatter.js";
-import {createDefaultTokenEstimator, type TokenEstimator} from "./token-estimator.js";
-import type {ContextBudget, ContextCompressionResult, ContextSection} from "./types.js";
+import {
+  createDefaultTokenEstimator,
+  type TokenEstimator,
+} from "../budget/token-estimator.js";
+import {formatContextSection} from "../formatting/context-formatter.js";
+import type {ContextBudget, ContextCompressionResult, ContextSection} from "../types.js";
 
 export type ContextCompressionPipelineOptions = {
   compressor?: ContextCompressor;

src/context/context-compressor.ts → src/context/compression/context-compressor.ts

@@ -1,5 +1,8 @@
-import {createDefaultTokenEstimator, type TokenEstimator} from "./token-estimator.js";
-import type {ContextBudget, ContextCompressionResult, ContextSection} from "./types.js";
+import {
+  createDefaultTokenEstimator,
+  type TokenEstimator,
+} from "../budget/token-estimator.js";
+import type {ContextBudget, ContextCompressionResult, ContextSection} from "../types.js";
 
 export type ContextCompressionMetadata = {
   strategy?: string;

src/context/context-truncator.ts → src/context/compression/context-truncator.ts

@@ -1,7 +1,10 @@
-import {DefaultContextBudgetPolicy} from "./context-budget.js";
-import {formatContextSection} from "./context-formatter.js";
-import {createDefaultTokenEstimator, type TokenEstimator} from "./token-estimator.js";
-import type {ContextBudget, ContextSection, ContextSectionUsage} from "./types.js";
+import {DefaultContextBudgetPolicy} from "../budget/context-budget.js";
+import {
+  createDefaultTokenEstimator,
+  type TokenEstimator,
+} from "../budget/token-estimator.js";
+import {formatContextSection} from "../formatting/context-formatter.js";
+import type {ContextBudget, ContextSection, ContextSectionUsage} from "../types.js";
 
 export type FormattedContextSection = {
   section: ContextSection;

src/context/context-builder.ts → src/context/engine/context-builder.ts

@@ -1,5 +1,5 @@
 import {ContextEngine} from "./context-engine.js";
-import type {BuildContextInput, BuildContextResult} from "./types.js";
+import type {BuildContextInput, BuildContextResult} from "../types.js";
 
 const defaultContextEngine = new ContextEngine();
 

src/context/context-engine.ts → src/context/engine/context-engine.ts

@@ -1,17 +1,20 @@
-import {ContextCompressionPipeline} from "./context-compression-pipeline.js";
-import {DefaultContextBudgetPolicy} from "./context-budget.js";
-import {ContextRegistry} from "./context-registry.js";
-import {ContextTruncator} from "./context-truncator.js";
-import {DefaultContextPriorityPolicy} from "./priority-policy.js";
-import {SystemPromptAssembler} from "./system-prompt-assembler.js";
-import {createDefaultTokenEstimator, type TokenEstimator} from "./token-estimator.js";
-import type {ContextBudgetPolicy} from "./context-budget.js";
-import type {ContextPriorityPolicy} from "./priority-policy.js";
+import {DefaultContextBudgetPolicy} from "../budget/context-budget.js";
+import {DefaultContextPriorityPolicy} from "../budget/priority-policy.js";
+import {
+  createDefaultTokenEstimator,
+  type TokenEstimator,
+} from "../budget/token-estimator.js";
+import {ContextCompressionPipeline} from "../compression/context-compression-pipeline.js";
+import {ContextTruncator} from "../compression/context-truncator.js";
+import {SystemPromptAssembler} from "../formatting/system-prompt-assembler.js";
+import type {ContextBudgetPolicy} from "../budget/context-budget.js";
+import type {ContextPriorityPolicy} from "../budget/priority-policy.js";
 import type {
   BuildContextInput,
   BuildContextResult,
   ContextEngineOptions,
-} from "./types.js";
+} from "../types.js";
+import {ContextRegistry} from "./context-registry.js";
 
 /** Class-based context engine that owns the full runtime context pipeline. */
 export class ContextEngine {

src/context/context-registry.ts → src/context/engine/context-registry.ts

@@ -1,5 +1,5 @@
-import type {ContextPriorityPolicy} from "./priority-policy.js";
-import type {ContextSection} from "./types.js";
+import type {ContextPriorityPolicy} from "../budget/priority-policy.js";
+import type {ContextSection} from "../types.js";
 
 /** Mutable registry for normalizing, deduping, and ordering context sections. */
 export class ContextRegistry {

src/context/context-formatter.ts → src/context/formatting/context-formatter.ts

@@ -1,5 +1,5 @@
-import type {ContextSection} from "./types.js";
-import {DefaultContextPriorityPolicy} from "./priority-policy.js";
+import {DefaultContextPriorityPolicy} from "../budget/priority-policy.js";
+import type {ContextSection} from "../types.js";
 
 /** Returns a formatted section string, or an empty string for blank content. */
 export function formatContextSection(section: ContextSection): string {

src/context/index.ts

@@ -1,45 +1,48 @@
-export {ContextEngine} from "./context-engine.js";
-export {buildRuntimeContext} from "./context-builder.js";
-export {ContextCompressionPipeline} from "./context-compression-pipeline.js";
+export {ContextEngine} from "./engine/context-engine.js";
+export {buildRuntimeContext} from "./engine/context-builder.js";
+export {ContextRegistry} from "./engine/context-registry.js";
+export {ContextCompressionPipeline} from "./compression/context-compression-pipeline.js";
 export type {
   ContextCompressionPipelineOptions,
   ContextCompressionPipelineResult,
-} from "./context-compression-pipeline.js";
-export {DefaultContextBudgetPolicy} from "./context-budget.js";
-export type {ContextBudgetPolicy} from "./context-budget.js";
+} from "./compression/context-compression-pipeline.js";
+export {DefaultContextBudgetPolicy} from "./budget/context-budget.js";
+export type {ContextBudgetPolicy} from "./budget/context-budget.js";
 export {
   ContextCompressionResultFactory,
   createCompressionResult,
   isCompressibleSection,
   NoopContextCompressor,
   RuleBasedContextCompressor,
-} from "./context-compressor.js";
+} from "./compression/context-compressor.js";
 export type {
   ContextCompressor,
   ContextCompressionMetadata,
   RuleBasedContextCompressorOptions,
-} from "./context-compressor.js";
-export {compareContextSection, formatContextSection} from "./context-formatter.js";
-export {ContextRegistry} from "./context-registry.js";
+} from "./compression/context-compressor.js";
+export {
+  compareContextSection,
+  formatContextSection,
+} from "./formatting/context-formatter.js";
 export {
   ContextTruncator,
   truncateContext,
   truncateTextToTokens,
-} from "./context-truncator.js";
+} from "./compression/context-truncator.js";
 export type {
   FormattedContextSection,
   TruncateContextResult,
-} from "./context-truncator.js";
-export {DefaultContextPriorityPolicy} from "./priority-policy.js";
-export type {ContextPriorityPolicy} from "./priority-policy.js";
-export {SystemPromptAssembler} from "./system-prompt-assembler.js";
+} from "./compression/context-truncator.js";
+export {DefaultContextPriorityPolicy} from "./budget/priority-policy.js";
+export type {ContextPriorityPolicy} from "./budget/priority-policy.js";
+export {SystemPromptAssembler} from "./formatting/system-prompt-assembler.js";
 export {
   ApproxTokenEstimator,
   createDefaultTokenEstimator,
   estimateTokens,
   GptTokenEstimator,
-} from "./token-estimator.js";
-export type {TokenCountableMessage, TokenEstimator} from "./token-estimator.js";
+} from "./budget/token-estimator.js";
+export type {TokenCountableMessage, TokenEstimator} from "./budget/token-estimator.js";
 export type {
   BuildContextInput,
   BuildContextDiagnostics,

src/context/types.ts

@@ -1,10 +1,10 @@
-import type {ContextCompressionPipeline} from "./context-compression-pipeline.js";
-import type {ContextBudgetPolicy} from "./context-budget.js";
-import type {ContextCompressor} from "./context-compressor.js";
-import type {ContextTruncator} from "./context-truncator.js";
-import type {ContextPriorityPolicy} from "./priority-policy.js";
-import type {SystemPromptAssembler} from "./system-prompt-assembler.js";
-import type {TokenEstimator} from "./token-estimator.js";
+import type {ContextBudgetPolicy} from "./budget/context-budget.js";
+import type {ContextPriorityPolicy} from "./budget/priority-policy.js";
+import type {TokenEstimator} from "./budget/token-estimator.js";
+import type {ContextCompressionPipeline} from "./compression/context-compression-pipeline.js";
+import type {ContextCompressor} from "./compression/context-compressor.js";
+import type {ContextTruncator} from "./compression/context-truncator.js";
+import type {SystemPromptAssembler} from "./formatting/system-prompt-assembler.js";
 
 /** Source metadata for a context section. */
 export type ContextSource =