Roll Your Own Agent

[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_224":225,"_226":227},"routes/_app.x.$handle.$name",{"_104":103,"_32":45,"_112":90,"_27":113,"_13":14,"_114":-5,"_11":115,"_116":117,"_118":119,"_120":121,"_122":123,"_20":-5,"_124":125,"_126":127,"_128":25,"_129":130,"_131":59,"_132":-5,"_133":-5,"_134":135},"routes/_app.x.$handle.$name.branch.$branch.version.$version.diff",{"_11":12,"_13":14,"_15":16,"_17":-5,"_18":-5},"project",{"_43":44,"_32":45,"_38":46,"_47":-5,"_48":25,"_49":50,"_51":50,"_52":53,"_54":55,"_18":56,"_57":31,"_58":59,"_60":-5,"_61":-5,"_62":63,"_64":65,"_66":67,"_68":69,"_70":71,"_72":-5,"_73":74,"_75":74,"_76":77,"_78":77,"_79":77,"_80":74,"_81":74,"_82":83,"_84":85,"_86":87,"_88":25},"version",150,"changes",[19],"aiChatInfo","userId",{"_20":21,"_22":23,"_24":25,"_26":25,"_27":28,"_29":28},"file",{"_30":31,"_32":28,"_33":34,"_35":37,"_38":39,"_40":14,"_41":42,"_24":25},"previous",{"_30":31,"_32":28,"_33":34,"_35":36},"deleted",false,"deletedHere","path","index.ts","latestPath","fileId","b0e6d01c-5ca4-11f1-afe7-1607ee4eb77e","name","fileType","http","content","import { sqlite } from \"https://esm.town/v/std/sqlite/main.ts\";\nimport { isPaused, readJournal, setPaused, step } from \"./agent-core.ts\";\n\n// ── System prompt for the interactive chat ──────────────────────────────────\nconst SYSTEM_PROMPT = 'You are the chat-facing interface of a self-improving Val Town agent.\\n'\n + 'You have tools to fetch URLs, search the web, and list/read/write/delete files in your own Val Town project, plus a persistent journal (read_journal / write_journal). A separate daily cycle (daily.ts) uses these same tools to autonomously improve this project once per day — you can use them right now too if the user asks you to make changes, add features, or fix bugs.\\n'\n + 'daily.ts is protected and cannot be edited or deleted. Other files (including this one, index.ts, and agent-core.ts) can be rewritten — after any write, the live app is checked and reverted automatically if it breaks. Be direct: if the user asks you to do something, just do it with your tools rather than just describing it.';\n\n// ── HTML shell ────────────────────────────────────────────────────────────────\nconst HTML = `\\n\\n\\n \\n \\n Roll Your Own Agent\\n \\n \\n \\n\\n\\n \\n \\n

\\n \\n \\n \\n \\n \\n\\n\\n \\n \\n

\\n \\n

Diff · v150