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refactor(coding-agent): fix compaction for branched sessions, consolidate hook context types

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Compaction API:
- prepareCompaction() now takes (pathEntries, settings) only
- CompactionPreparation restructured: removed cutPoint/messagesToKeep/boundaryStart, added turnPrefixMessages/isSplitTurn/previousSummary/fileOps/settings
- compact() now takes (preparation, model, apiKey, customInstructions?, signal?)
- Fixed token overflow by using getPath() instead of getEntries()

Hook types:
- HookEventContext renamed to HookContext
- HookCommandContext removed, RegisteredCommand.handler takes (args, ctx)
- HookContext now includes model field
- SessionBeforeCompactEvent: removed previousCompactions/model, added branchEntries
- SessionBeforeTreeEvent: removed model (use ctx.model)
- HookRunner.initialize() added for modes to set up callbacks
This commit is contained in:
Mario Zechner 2025-12-31 02:24:24 +01:00
parent b4ce93c577
commit ddda8b124c
12 changed files with 177 additions and 201 deletions
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21
packages/coding-agent/test/compaction.test.ts
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@ -11,6 +11,7 @@ import {
DEFAULT_COMPACTION_SETTINGS,
findCutPoint,
getLastAssistantUsage,
prepareCompaction,
shouldCompact,
} from "../src/core/compaction/index.js";
import {
@ -398,12 +399,10 @@ describe.skipIf(!process.env.ANTHROPIC_OAUTH_TOKEN)("LLM summarization", () => {
const entries = loadLargeSessionEntries();
const model = getModel("anthropic", "claude-sonnet-4-5")!;
const compactionResult = await compact(
entries,
model,
DEFAULT_COMPACTION_SETTINGS,
process.env.ANTHROPIC_OAUTH_TOKEN!,
);
const preparation = prepareCompaction(entries, DEFAULT_COMPACTION_SETTINGS);
expect(preparation).toBeDefined();
const compactionResult = await compact(preparation!, model, process.env.ANTHROPIC_OAUTH_TOKEN!);
expect(compactionResult.summary.length).toBeGreaterThan(100);
expect(compactionResult.firstKeptEntryId).toBeTruthy();
@ -421,12 +420,10 @@ describe.skipIf(!process.env.ANTHROPIC_OAUTH_TOKEN)("LLM summarization", () => {
const loaded = buildSessionContext(entries);
const model = getModel("anthropic", "claude-sonnet-4-5")!;
const compactionResult = await compact(
entries,
model,
DEFAULT_COMPACTION_SETTINGS,
process.env.ANTHROPIC_OAUTH_TOKEN!,
);
const preparation = prepareCompaction(entries, DEFAULT_COMPACTION_SETTINGS);
expect(preparation).toBeDefined();
const compactionResult = await compact(preparation!, model, process.env.ANTHROPIC_OAUTH_TOKEN!);
// Simulate appending compaction to entries by creating a proper entry
const lastEntry = entries[entries.length - 1];