fix(ai): revert selective pi-ai base entrypoints

packages/agent/src/index.ts

@@ -1,5 +1,44 @@
-// Import the default pi-ai entrypoint so that all built-in providers register
-// automatically. Unlike "@earendil-works/pi-ai/base" which does not.
-import "@earendil-works/pi-ai";
-
-export * from "./base.ts";
+// Core Agent
+export * from "./agent.ts";
+// Loop functions
+export * from "./agent-loop.ts";
+export * from "./harness/agent-harness.ts";
+export {
+	type BranchPreparation,
+	type BranchSummaryDetails,
+	type CollectEntriesResult,
+	collectEntriesForBranchSummary,
+	generateBranchSummary,
+	prepareBranchEntries,
+} from "./harness/compaction/branch-summarization.ts";
+export {
+	calculateContextTokens,
+	compact,
+	DEFAULT_COMPACTION_SETTINGS,
+	estimateContextTokens,
+	estimateTokens,
+	findCutPoint,
+	findTurnStartIndex,
+	generateSummary,
+	getLastAssistantUsage,
+	prepareCompaction,
+	serializeConversation,
+	shouldCompact,
+} from "./harness/compaction/compaction.ts";
+export * from "./harness/messages.ts";
+export * from "./harness/prompt-templates.ts";
+export * from "./harness/session/jsonl-repo.ts";
+export * from "./harness/session/memory-repo.ts";
+export * from "./harness/session/repo-utils.ts";
+export * from "./harness/session/session.ts";
+export { uuidv7 } from "./harness/session/uuid.ts";
+export * from "./harness/skills.ts";
+export * from "./harness/system-prompt.ts";
+// Harness
+export * from "./harness/types.ts";
+export * from "./harness/utils/shell-output.ts";
+export * from "./harness/utils/truncate.ts";
+// Proxy utilities
+export * from "./proxy.ts";
+// Types
+export * from "./types.ts";