feat(aircoding): AirCoding V2 baseline — deterministic multi-agent architecture

Forked from OpenCode v1.17.4 with multi-agent system:
- 5 agents: aircoding, scheduler, worker, architect, reviewer
- Deterministic DAG scheduling engine (coordinator_tick)
- Tool whitelists as hard enforcement
- AirCoding validation plugin
- System prompt injection for routing
- V1 requirements: C4 docs, ADR, AGENTS.md, debug-log.md
- Design documents in docs/

packages/web/src/components/share/content-markdown.tsx

@@ -0,0 +1,74 @@
+import { marked } from "marked"
+import { codeToHtml } from "shiki"
+import markedShiki from "marked-shiki"
+import { createOverflow, useShareMessages } from "./common"
+import { CopyButton } from "./copy-button"
+import { createResource, createSignal } from "solid-js"
+import style from "./content-markdown.module.css"
+
+const markedWithShiki = marked.use(
+  {
+    renderer: {
+      link({ href, title, text }) {
+        const titleAttr = title ? ` title="${title}"` : ""
+        return `<a href="${href}"${titleAttr} target="_blank" rel="noopener noreferrer">${text}</a>`
+      },
+    },
+  },
+  markedShiki({
+    highlight(code, lang) {
+      return codeToHtml(code, {
+        lang: lang || "text",
+        themes: {
+          light: "github-light",
+          dark: "github-dark",
+        },
+      })
+    },
+  }),
+)
+
+interface Props {
+  text: string
+  expand?: boolean
+  highlight?: boolean
+}
+export function ContentMarkdown(props: Props) {
+  const [html] = createResource(
+    () => strip(props.text),
+    async (markdown) => {
+      return markedWithShiki.parse(markdown)
+    },
+  )
+  const [expanded, setExpanded] = createSignal(false)
+  const overflow = createOverflow()
+  const messages = useShareMessages()
+
+  return (
+    <div
+      class={style.root}
+      data-highlight={props.highlight === true ? true : undefined}
+      data-expanded={expanded() || props.expand === true ? true : undefined}
+    >
+      <div data-slot="markdown" ref={overflow.ref} innerHTML={html()} />
+
+      {!props.expand && overflow.status && (
+        <button
+          type="button"
+          data-component="text-button"
+          data-slot="expand-button"
+          onClick={() => setExpanded((e) => !e)}
+        >
+          {expanded() ? messages.show_less : messages.show_more}
+        </button>
+      )}
+      <CopyButton text={props.text} />
+    </div>
+  )
+}
+
+function strip(text: string): string {
+  const wrappedRe = /^\s*<([A-Za-z]\w*)>\s*([\s\S]*?)\s*<\/\1>\s*$/
+  const match = text.match(wrappedRe)
+  return match ? match[2] : text
+}