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my-project-public — gitlawb

#1	import type { Book, Candle } from "./state.js";
#2	import type { TickEntry } from "./journal.js";
#3	import type { Decision, RalphConfig } from "./validate.js";
#4	import type { WhaleActivity } from "./observe.js";
#5
#6	export interface Observations {
#7	tick: number;
#8	now: string;
#9	mode: "paper";
#10	network: "devnet";
#11	candles: Candle[];
#12	whale_activity: WhaleActivity;
#13	book: Book;
#14	last_decisions: TickEntry[];
#15	config: Pick<RalphConfig, "goblin" \| "max_position_size_lamports" \| "loss_killswitch_consecutive" \| "model">;
#16	}
#17
#18	export function deterministicDecision(obs: Observations): Decision {
#19	const candles = obs.candles;
#20	const latest = candles.at(-1);
#21	const previous = candles.at(-2);
#22	if (!latest \|\| !previous \|\| candles.length < 3) {
#23	return { action: "hold", reason: "insufficient candles for a legal devnet paper decision" };
#24	}
#25
#26	const openPosition = obs.book.positions[0];
#27	const momentum = latest.c - previous.c;
#28	const momentumPct = momentum / previous.c;
#29	const whaleBias = obs.whale_activity.bias;
#30	const confidence = Math.min(1, Math.abs(momentumPct) * 80 + (whaleBias !== "neutral" ? 0.25 : 0));
#31	const desiredSide = momentum >= 0 ? "long" : "short";
#32	const whaleAgainst = whaleBias !== "neutral" && whaleBias !== desiredSide;
#33	const oneAwayFromKill = obs.last_decisions.at(-1)?.consecutive_losses === obs.config.loss_killswitch_consecutive - 1;
#34
#35	if (openPosition) {
#36	const shouldClose =
#37	(openPosition.side === "long" && momentum < 0 && !whaleAgainst) \|\|
#38	(openPosition.side === "short" && momentum > 0 && !whaleAgainst) \|\|
#39	oneAwayFromKill;
#40	if (shouldClose) {
#41	return {
#42	action: "close",
#43	position_id: openPosition.id,
#44	reason: `paper signal reversed or risk tightened; closing ${openPosition.side} before the shell cracks`,
#45	};
#46	}
#47	return { action: "hold", reason: "position already open and signal is not strong enough to churn" };
#48	}
#49
#50	const threshold = obs.config.goblin ? 0.5 : 0.7;
#51	if (confidence >= threshold && !whaleAgainst) {
#52	return {
#53	action: "open",
#54	side: desiredSide,
#55	size_lamports: obs.config.max_position_size_lamports,
#56	reason: `${desiredSide} momentum plus ${whaleBias} whale flow clears goblin paper threshold`,
#57	};
#58	}
#59
#60	return { action: "hold", reason: "signal exists but whale flow or confidence blocks a safe paper entry" };
#61	}
#62
#63	export async function claudeDecision(obs: Observations, systemPrompt: string): Promise<unknown> {
#64	const apiKey = process.env["ANTHROPIC_API_KEY"];
#65	if (!apiKey) return deterministicDecision(obs);
#66
#67	const response = await fetch("https://api.anthropic.com/v1/messages", {
#68	method: "POST",
#69	headers: {
#70	"anthropic-version": "2023-06-01",
#71	"content-type": "application/json",
#72	"x-api-key": apiKey,
#73	},
#74	body: JSON.stringify({
#75	model: process.env["GOBLIN_MODEL"] \|\| obs.config.model \|\| "claude-opus-4-7",
#76	max_tokens: 220,
#77	temperature: obs.config.goblin ? 0.55 : 0.2,
#78	system: systemPrompt,
#79	messages: [
#80	{
#81	role: "user",
#82	content: `OBSERVATIONS AT TICK ${obs.tick}\n${JSON.stringify(obs, null, 2)}\n\nReturn only one JSON object.`,
#83	},
#84	],
#85	}),
#86	});
#87
#88	if (!response.ok) {
#89	return {
#90	action: "hold",
#91	reason: `decision API error ${response.status}; holding paper position safely`,
#92	};
#93	}
#94
#95	const payload = (await response.json()) as { content?: Array<{ type: string; text?: string }> };
#96	const text = payload.content?.find((part) => part.type === "text")?.text?.trim() ?? "";
#97	const match = text.match(/\{[\s\S]*\}/);
#98	if (!match) return { action: "hold", reason: "model returned no JSON object; paper hold enforced" };
#99	try {
#100	return JSON.parse(match[0]);
#101	} catch {
#102	return { action: "hold", reason: "model returned invalid JSON; paper hold enforced" };
#103	}
#104	}
#105
#106

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