chore: add ion package, codesight wiki, work plans, ascli config

New @boocode/ion package (v0.0.1) for inference optimization network.
.codesight/ wiki artifacts for codebase documentation.
.omo/ work plans for openspec cleanup and enhanced file panel.

packages/ion/src/schema/node-output.ts

@@ -0,0 +1,46 @@
+import { z } from 'zod';
+
+/**
+ * Output produced by a single DAG node after execution.
+ *
+ * Captures the result text, structured fields, and execution metadata
+ * so downstream nodes can reference outputs via `$nodeId.output` syntax.
+ */
+export const nodeOutputSchema = z.object({
+  /** The node id that produced this output. */
+  nodeId: z.string(),
+
+  /** Current state of the node execution. */
+  state: z.enum(['pending', 'running', 'completed', 'failed', 'skipped']),
+
+  /** The raw text output from the node (alias for text for backward compat). */
+  output: z.string().default(''),
+
+  /** The raw text output from the node. */
+  text: z.string().optional(),
+
+  /** Structured output fields (when output_format is defined). */
+  fields: z.record(z.unknown()).optional(),
+
+  /** Error message if the node failed. */
+  error: z.string().optional(),
+
+  /** Token usage or cost metadata. */
+  costUsd: z.number().optional(),
+});
+
+export type NodeOutput = z.infer<typeof nodeOutputSchema>;
+
+/**
+ * Result of executing a single node within the DAG.
+ *
+ * Internal to the engine — not persisted directly but used to build
+ * the nodeOutputs map that flows between layers.
+ */
+export interface NodeExecutionResult {
+  state: 'completed' | 'failed' | 'skipped';
+  output?: string;
+  fields?: Record<string, unknown>;
+  error?: string;
+  costUsd?: number;
+}