[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8,"_9":10},"actionData","errors","root",{"_155":156,"_157":158},"routes/_app.x.$handle.$name",{"_96":95,"_32":45,"_105":86,"_27":106,"_13":14,"_107":-5,"_11":108,"_109":110,"_111":112,"_113":114,"_115":116,"_20":-5,"_117":-5,"_118":-5,"_119":25,"_120":121,"_122":58,"_123":-5,"_124":-5,"_125":126},"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":-5,"_18":55,"_56":31,"_57":58,"_59":-5,"_60":-5,"_61":62,"_63":64,"_65":-5,"_66":-5,"_67":-5,"_68":-5,"_69":70,"_71":70,"_72":73,"_74":73,"_75":73,"_76":70,"_77":70,"_78":79,"_80":81,"_82":83,"_84":25},"version",11,"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","tnr-mock-server.ts","latestPath","fileId","65b28fd4-a167-11f1-9f7d-1607ee4eb77e","name","fileType","http","content","/**\n * TNR agent mock backend — v5, adds earliest_date.\n *\n * WHAT CHANGED FROM v1\n * v1 always had openings, so the bot never had to negotiate. v2 simulates a\n * partially booked clinic: ~85% of slots are taken. Requesting a specific day\n * or window will sometimes come back with nothing, which is what forces the\n * reschedule conversation to actually happen.\n *\n * THE CALENDAR IS DETERMINISTIC, NOT RANDOM.\n * Availability is a hash of the slot id, so a given slot is either always free\n * or always taken. This matters: if it were random per request, a slot offered\n * at 10:00:01 could be gone at 10:00:09 when the patient says yes, and you'd\n * spend an afternoon hunting a bug that only exists in the mock.\n *\n * NEW IN v5: earliest_date\n * The schema only had preferred_day_of_week and preferred_time_of_day, so a\n * patient saying \"anything after September 3rd\" or \"the week of the 7th\" had\n * no representable form. The agent kept re-sending a weekday and getting\n * nearby dates back, which is what produced the long back-and-forth.\n * earliest_date (YYYY-MM-DD) sets the floor for the search.\n *\n * ALSO IN v4: slots_spoken + slots_data replace slot_1_* / slot_2_*\n * Offering one time at a time made every hesitation a dead end, and the\n * agent kept re-offering the same slot. Now it gets up to 3 at once:\n *\n * slots_spoken -> \"Friday at 9:20 in the morning, Friday at 11 in the\n * morning, or Monday at 1:20 in the afternoon\"\n * Read this aloud. One breath, three options.\n *\n * slots_data -> JSON array with id, label, and language-neutral parts\n * for each. Used to map the patient's pick back to a\n * slot_id, and to phrase times in another language.\n *\n * slot_1_label and friends are deliberately GONE. Leaving them in invited\n * the agent to offer a single time, which is the behaviour being fixed.\n *\n * ALSO IN v3: parts / confirmed_parts\n * slot_N_label is an ENGLISH string (\"tomorrow at 1:20 in the afternoon\").\n * Reading it verbatim in Spanish is why times came out in English. So each\n * slot also ships a language-neutral breakdown the agent can phrase itself:\n *\n * relative=tomorrow|weekday=Thursday|month=8|day=27|hour=1|minute=20|\n * ampm=PM|period=afternoon\n *\n * The label stays as the English fast path — assembling from parts is what\n * reintroduces the risk of the model inventing a time, so it's only used\n * when speaking another language. Add slot_1_parts, slot_2_parts and\n * confirmed_parts under \"Store Fields as Variables\" in Retell.\n *\n * RESPONSE FIELD: preference_matched (\"yes\" | \"no\")\n * When the patient asks for a day or window we have nothing in, the response\n * still returns the nearest available times but sets preference_matched to\n * \"no\". The offer node uses that to say \"I don't have Monday midday, closest\n * I have is...\" instead of pretending it matched what they asked for.\n * Add it under \"Store Fields as Variables\" in Retell.\n *\n * Routes:\n * POST /get-available-slots\n * POST /book-appointment\n * POST /create-support-ticket\n *\n * Scenarios — append ?scenario=... to the tool URL in Retell:\n *\n * /get-available-slots -> normal calendar (~85% booked)\n * /get-available-slots?scenario=busy -> ~96% booked, days apart\n * /get-available-slots?scenario=one -> exactly 1 slot\n * /get-available-slots?scenario=empty -> nothing at all, fires else_edge\n * /get-available-slots?scenario=500 -> HTTP 500\n * /get-available-slots?scenario=slow -> 25s, exceeds timeout_ms\n *\n * /book-appointment -> booked\n * /book-appointment?scenario=fail -> failed, fires else_edge\n * /book-appointment?scenario=taken -> failed, slot gone (self-rebooked race)\n * /book-appointment?scenario=500 -> HTTP 500\n *\n * /create-support-ticket -> created\n * /create-support-ticket?scenario=fail -> failed\n */\n\ninterface Slot {\n slot_id: string;\n label: string;\n parts: string;\n iso: string;\n hour: number;\n}\n\ninterface ReqBody {\n timezone?: string;\n language?: string;\n earliest_date?: string;\n limit?: number | string;\n state?: string;\n patient_id?: string;\n exclude_slot_ids?: string;\n preferred_day_of_week?: string;\n preferred_time_of_day?: string;\n slot_id?: string;\n ticket_reason?: string;\n ticket_title?: string;\n}\n\n// 20-minute grid, 9:00 to 16:40 — a full clinic day, so gaps look real\nconst SLOT_TIMES: { h: number; m: number }[] = [];\nfor (let h = 9; h <= 16; h++) {\n for (const m of [0, 20, 40]) SLOT_TIMES.push({ h, m });\n}\n\nconst DOW = [\n \"sunday\",\n \"monday\",\n \"tuesday\",\n \"wednesday\",\n \"thursday\",\n \"friday\",\n \"saturday\",\n];\n\nconst WINDOW: Record boolean> = {\n morning: (h) => h < 12,\n midday: (h) => h >= 11 && h < 14,\n afternoon: (h) => h >= 12 && h < 17,\n evening: (h) => h >= 17,\n};\n\nfunction json(obj: unknown, status = 200): Response {\n return new Response(JSON.stringify(obj, null, 2), {\n status,\n headers: { \"content-type\": \"application/json\" },\n });\n}\n\n/** FNV-1a. Stable across requests and restarts — that's the whole point. */\nfunction hash(s: string): number {\n let h = 2166136261;\n for (let i = 0; i < s.length; i++) {\n h ^= s.charCodeAt(i);\n h = Math.imul(h, 16777619);\n }\n return (h >>> 0) % 100;\n}\n\n/** Is this slot open? Same answer every time for a given slot. */\nfunction isFree(slot_id: string, bookedPct: number): boolean {\n return hash(slot_id) >= bookedPct;\n}\n\nfunction zonedDate(\n y: number,\n mo: number,\n d: number,\n h: number,\n mi: number,\n tz: string,\n): Date {\n const guess = new Date(Date.UTC(y, mo - 1, d, h, mi));\n const asTz = new Date(guess.toLocaleString(\"en-US\", { timeZone: tz }));\n const asUtc = new Date(guess.toLocaleString(\"en-US\", { timeZone: \"UTC\" }));\n return new Date(guess.getTime() + (asUtc.getTime() - asTz.getTime()));\n}\n\nfunction todayIn(tz: string): { y: number; mo: number; d: number } {\n const p = new Intl.DateTimeFormat(\"en-CA\", {\n timeZone: tz,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n }).format(new Date()).split(\"-\").map(Number);\n return { y: p[0], mo: p[1], d: p[2] };\n}\n\n/**\n * Language-neutral breakdown of a slot time. The agent assembles the spoken\n * form from this when it isn't speaking English, so no translation logic\n * lives in this endpoint.\n */\nfunction timeParts(\n date: Date,\n tz: string,\n hour24: number,\n minute: number,\n y: number,\n mo: number,\n d: number,\n): string {\n const weekday = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: tz,\n weekday: \"long\",\n }).format(date);\n\n const ymd = (dt: Date) =>\n new Intl.DateTimeFormat(\"en-CA\", {\n timeZone: tz,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n }).format(dt);\n const t = todayIn(tz);\n const isTomorrow =\n ymd(date) === ymd(new Date(Date.UTC(t.y, t.mo - 1, t.d + 1, 12)));\n\n const hour12 = hour24 % 12 === 0 ? 12 : hour24 % 12;\n const period = hour24 < 12\n ? \"morning\"\n : hour24 < 17\n ? \"afternoon\"\n : \"evening\";\n\n return [\n `relative=${isTomorrow ? \"tomorrow\" : \"none\"}`,\n `weekday=${weekday}`,\n `month=${mo}`,\n `day=${d}`,\n `hour=${hour12}`,\n `minute=${String(minute).padStart(2, \"0\")}`,\n `ampm=${hour24 < 12 ? \"AM\" : \"PM\"}`,\n `period=${period}`,\n ].join(\"|\");\n}\n\nfunction label(date: Date, tz: string, hour24: number): string {\n const parts: Record = {};\n for (\n const x of new Intl.DateTimeFormat(\"en-US\", {\n timeZone: tz,\n weekday: \"long\",\n month: \"long\",\n day: \"numeric\",\n hour: \"numeric\",\n minute: \"2-digit\",\n hour12: true,\n }).formatToParts(date)\n ) parts[x.type] = x.value;\n\n const ymd = (dt: Date) =>\n new Intl.DateTimeFormat(\"en-CA\", {\n timeZone: tz,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n }).format(dt);\n\n const t = todayIn(tz);\n const tomorrow = new Date(Date.UTC(t.y, t.mo - 1, t.d + 1, 12));\n const day = ymd(date) === ymd(tomorrow)\n ? \"tomorrow\"\n : `${parts.weekday}, ${parts.month} ${parts.day}`;\n\n const minute = parts.minute === \"00\" ? \"\" : `:${parts.minute}`;\n const period = hour24 < 12\n ? \"in the morning\"\n : hour24 < 17\n ? \"in the afternoon\"\n : \"in the evening\";\n return `${day} at ${parts.hour}${minute} ${period}`;\n}\n\n/**\n * Walk forward from tomorrow collecting open slots.\n * `respectPreference` false = ignore day/window filters, used for the fallback\n * pass when the patient's requested window has nothing in it.\n */\nfunction findSlots(\n body: ReqBody,\n wanted: number,\n bookedPct: number,\n respectPreference: boolean,\n horizonDays: number,\n): Slot[] {\n const tz = body.timezone || \"America/New_York\";\n const excluded = new Set(\n String(body.exclude_slot_ids || \"\")\n .split(\",\").map((s) => s.trim()).filter(Boolean),\n );\n const t = todayIn(tz);\n const out: Slot[] = [];\n\n // earliest_date moves the floor of the search. Default floor is tomorrow;\n // never same-day regardless of what was asked for.\n let startOffset = 1;\n if (body.earliest_date && /^\\d{4}-\\d{2}-\\d{2}$/.test(body.earliest_date)) {\n const [ey, em, ed] = body.earliest_date.split(\"-\").map(Number);\n const todayUtc = Date.UTC(t.y, t.mo - 1, t.d, 12);\n const wantUtc = Date.UTC(ey, em - 1, ed, 12);\n const days = Math.round((wantUtc - todayUtc) / 86400000);\n startOffset = Math.max(1, days);\n }\n const endOffset = startOffset + horizonDays - 1;\n\n for (let off = startOffset; off <= endOffset && out.length < wanted; off++) {\n const cal = new Date(Date.UTC(t.y, t.mo - 1, t.d + off, 12));\n const y = cal.getUTCFullYear();\n const mo = cal.getUTCMonth() + 1;\n const d = cal.getUTCDate();\n const dowName = DOW[cal.getUTCDay()];\n\n if (dowName === \"saturday\" || dowName === \"sunday\") continue;\n if (\n respectPreference && body.preferred_day_of_week &&\n body.preferred_day_of_week.toLowerCase() !== dowName\n ) continue;\n\n for (const s of SLOT_TIMES) {\n if (out.length >= wanted) break;\n\n if (respectPreference && body.preferred_time_of_day) {\n const test = WINDOW[body.preferred_time_of_day.toLowerCase()];\n if (test && !test(s.h)) continue;\n }\n\n const slot_id = `slot_${y}-${String(mo).padStart(2, \"0\")}-` +\n `${String(d).padStart(2, \"0\")}_` +\n `${String(s.h).padStart(2, \"0\")}${String(s.m).padStart(2, \"0\")}`;\n\n if (excluded.has(slot_id)) continue;\n if (!isFree(slot_id, bookedPct)) continue; // already taken\n\n const dt = zonedDate(y, mo, d, s.h, s.m, tz);\n out.push({\n slot_id,\n label: label(dt, tz, s.h),\n parts: timeParts(dt, tz, s.h, s.m, y, mo, d),\n iso: dt.toISOString(),\n hour: s.h,\n });\n }\n }\n return out;\n}\n\nexport default async function handler(request: Request): Promise {\n const url = new URL(request.url);\n const scenario = (url.searchParams.get(\"scenario\") || \"\").toLowerCase();\n const route = url.pathname.replace(/\\/+$/, \"\").split(\"/\").pop() || \"\";\n\n let body: ReqBody = {};\n try {\n body = await request.json() as ReqBody;\n } catch { /* empty body is fine */ }\n\n console.log(`\\n[MOCK] ${route} scenario=${scenario || \"default\"}`);\n console.log(\"[MOCK] body from Retell:\", JSON.stringify(body));\n\n if (scenario === \"slow\") await new Promise((r) => setTimeout(r, 25000));\n if (scenario === \"500\") return json({ error: \"mock upstream failure\" }, 500);\n\n // ---------------------------------------------------------------- slots\n if (route === \"get-available-slots\") {\n const bookedPct = scenario === \"busy\" ? 96 : 85;\n const wanted = scenario === \"one\"\n ? 1\n : Math.min(Number(body.limit) || 3, 3);\n\n let slots: Slot[] = [];\n let matched = \"yes\";\n\n if (scenario !== \"empty\") {\n const askedForSomething = Boolean(\n body.preferred_day_of_week || body.preferred_time_of_day,\n );\n\n // A patient asking for \"Monday morning\" means the NEAREST Monday, not\n // any Monday in the next three weeks. Searching a short horizon is what\n // makes \"we have nothing then\" actually happen.\n // A weekday/window request means the NEAREST match, so a short horizon.\n // An explicit earliest_date means \"from here onward\", so search wide.\n const horizon = body.earliest_date ? 28 : askedForSomething ? 7 : 21;\n slots = findSlots(body, wanted, bookedPct, true, horizon);\n\n // Nothing in the window they asked for — fall back to the general pool\n // and flag it, so the bot can say so instead of pretending it matched.\n if (slots.length === 0 && askedForSomething) {\n slots = findSlots(\n body,\n wanted,\n bookedPct,\n false,\n body.earliest_date ? 28 : 21,\n );\n matched = \"no\";\n console.log(\n \"[MOCK] no match for preference, returning nearest instead\",\n );\n }\n }\n\n const res: Record = {\n slot_count: slots.length,\n preference_matched: slots.length === 0 ? \"no\" : matched,\n };\n // One natural phrase covering every option, for reading aloud.\n const labels = slots.map((s) => s.label);\n res.slots_spoken = labels.length === 0\n ? \"\"\n : labels.length === 1\n ? labels[0]\n : `${labels.slice(0, -1).join(\", \")}, or ${labels[labels.length - 1]}`;\n\n // Structured form: maps the patient's pick back to a slot_id, and lets\n // the agent phrase the time in another language.\n res.slots_data = JSON.stringify(slots.map((s, i) => {\n const kv: Record = {};\n for (const pair of s.parts.split(\"|\")) {\n const [k, v] = pair.split(\"=\");\n kv[k] = v;\n }\n return {\n n: i + 1,\n id: s.slot_id,\n label: s.label,\n relative: kv.relative,\n weekday: kv.weekday,\n month: Number(kv.month),\n day: Number(kv.day),\n hour: Number(kv.hour),\n minute: kv.minute,\n ampm: kv.ampm,\n period: kv.period,\n };\n }));\n\n console.log(\"[MOCK] ->\", JSON.stringify(res));\n return json(res);\n }\n\n // ---------------------------------------------------------------- booking\n if (route === \"book-appointment\") {\n const fail = (reason: string) => {\n console.log(\"[MOCK] booking failed:\", reason);\n return json({\n status: \"failed\",\n appointment_id: \"\",\n confirmed_time_label: \"\",\n confirmed_parts: \"\",\n failure_reason: reason,\n });\n };\n\n if (scenario === \"fail\") return fail(\"simulated system error\");\n if (scenario === \"taken\") return fail(\"slot was taken by someone else\");\n if (!body.slot_id) {\n return fail(\"no slot_id sent — agent never captured a time\");\n }\n\n const m = String(body.slot_id)\n .match(/slot_(\\d{4})-(\\d{2})-(\\d{2})_(\\d{2})(\\d{2})/);\n if (!m) return fail(`unrecognised slot_id: ${body.slot_id}`);\n\n const tz = body.timezone || \"America/New_York\";\n const n = m.slice(1).map(Number);\n const dt = zonedDate(n[0], n[1], n[2], n[3], n[4], tz);\n const res = {\n status: \"booked\",\n appointment_id: `mock_appt_${Math.random().toString(36).slice(2, 10)}`,\n confirmed_time_label: label(dt, tz, n[3]),\n confirmed_parts: timeParts(dt, tz, n[3], n[4], n[0], n[1], n[2]),\n };\n console.log(\"[MOCK] ->\", JSON.stringify(res));\n return json(res);\n }\n\n // ---------------------------------------------------------------- ticket\n if (route === \"create-support-ticket\") {\n if (scenario === \"fail\") {\n return json({ status: \"failed\", ticket_number: \"\" });\n }\n const res = {\n status: \"created\",\n ticket_number: `MOCK-${Math.floor(Math.random() * 90000 + 10000)}`,\n };\n console.log(\"[MOCK] ticket:\", body.ticket_reason, \"|\", body.ticket_title);\n return json(res);\n }\n\n return json({ error: `unknown route: ${route}` }, 404);\n}","/**\n * TNR agent mock backend for the Retell scheduling agent.\n *\n * Simulates a partially booked clinic (~85% of slots taken) so the agent has\n * to actually negotiate rather than always finding an opening.\n *\n * THE CALENDAR IS DETERMINISTIC, NOT RANDOM.\n * Availability is a hash of the slot id, so a slot is either always free or\n * always taken. If it were random per request, a slot offered at 10:00:01\n * could be gone at 10:00:09 when the patient says yes — and you'd spend an\n * afternoon hunting a bug that only exists in the mock.\n *\n * Routes (all POST):\n * /get-available-slots\n * /book-appointment\n * /create-support-ticket\n *\n * get-available-slots returns:\n * slot_count number of openings found\n * preference_matched \"no\" when we had nothing in the day/window asked for\n * (the slots returned are then nearest alternatives)\n * slots_spoken every option as one phrase, ready to read aloud\n * slots_data JSON array: id, label, and language-neutral parts,\n * used to map a patient's pick back to a slot_id and\n * to phrase times in a language other than English\n *\n * Request params it honours: timezone (full IANA name), limit, earliest_date\n * (YYYY-MM-DD floor, for \"anything after the 3rd\"), preferred_day_of_week,\n * preferred_time_of_day, exclude_slot_ids (comma-separated).\n *\n * Scenarios — append ?scenario=... to the tool URL in Retell:\n * slots: busy (~96% booked) · one · empty · 500 · slow (25s)\n * book: fail · taken (slot gone, self-rebooked race) · 500\n * ticket: fail\n */\n\ninterface ReqBody {\n timezone?: string;\n earliest_date?: string;\n limit?: number | string;\n exclude_slot_ids?: string;\n preferred_day_of_week?: string;\n preferred_time_of_day?: string;\n slot_id?: string;\n ticket_reason?: string;\n ticket_title?: string;\n}\n\n/** Everything the agent needs about one opening, built in a single pass. */\ninterface Slot {\n id: string;\n label: string;\n relative: \"tomorrow\" | \"none\";\n weekday: string;\n month: number;\n day: number;\n hour: number;\n minute: string;\n ampm: \"AM\" | \"PM\";\n period: \"morning\" | \"afternoon\" | \"evening\";\n}\n\n// 20-minute grid, 9:00 to 16:40 — a full clinic day, so gaps look real\nconst GRID: { h: number; m: number }[] = [];\nfor (let h = 9; h <= 16; h++) for (const m of [0, 20, 40]) GRID.push({ h, m });\n\nconst DOW = [\n \"sunday\",\n \"monday\",\n \"tuesday\",\n \"wednesday\",\n \"thursday\",\n \"friday\",\n \"saturday\",\n];\n\nconst WINDOW: Record boolean> = {\n morning: (h) => h < 12,\n midday: (h) => h >= 11 && h < 14,\n afternoon: (h) => h >= 12 && h < 17,\n evening: (h) => h >= 17,\n};\n\nconst json = (obj: unknown, status = 200) =>\n new Response(JSON.stringify(obj, null, 2), {\n status,\n headers: { \"content-type\": \"application/json\" },\n });\n\nconst pad = (n: number) => String(n).padStart(2, \"0\");\n\n/** Calendar Y/M/D as it currently reads in `tz`. */\nfunction todayIn(tz: string) {\n const [y, mo, d] = new Intl.DateTimeFormat(\"en-CA\", {\n timeZone: tz,\n year: \"numeric\",\n month: \"2-digit\",\n day: \"2-digit\",\n }).format(new Date()).split(\"-\").map(Number);\n return { y, mo, d };\n}\n\n/** FNV-1a. Stable across requests and restarts — that's the whole point. */\nfunction isFree(id: string, bookedPct: number): boolean {\n let h = 2166136261;\n for (let i = 0; i < id.length; i++) {\n h ^= id.charCodeAt(i);\n h = Math.imul(h, 16777619);\n }\n return (h >>> 0) % 100 >= bookedPct;\n}\n\n/**\n * Describe one slot: id, spoken label, and the language-neutral breakdown.\n *\n * `tomorrowYmd` is passed in rather than recomputed, and the weekday comes\n * from plain UTC arithmetic on the calendar date instead of a second Intl\n * call — the date is fixed, so there's nothing to localise.\n */\nfunction describeSlot(\n y: number,\n mo: number,\n d: number,\n h: number,\n mi: number,\n tz: string,\n tomorrowYmd: string,\n): Slot {\n const ymd = `${y}-${pad(mo)}-${pad(d)}`;\n const weekday = DOW[new Date(Date.UTC(y, mo - 1, d, 12)).getUTCDay()];\n const capWeekday = weekday[0].toUpperCase() + weekday.slice(1);\n\n const hour12 = h % 12 === 0 ? 12 : h % 12;\n const minute = pad(mi);\n const period = h < 12 ? \"morning\" : h < 17 ? \"afternoon\" : \"evening\";\n const monthName = new Intl.DateTimeFormat(\"en-US\", {\n timeZone: \"UTC\",\n month: \"long\",\n }).format(Date.UTC(y, mo - 1, d, 12));\n\n const when = ymd === tomorrowYmd\n ? \"tomorrow\"\n : `${capWeekday}, ${monthName} ${d}`;\n const clock = minute === \"00\" ? `${hour12}` : `${hour12}:${minute}`;\n\n return {\n id: `slot_${ymd}_${pad(h)}${minute}`,\n label: `${when} at ${clock} in the ${period}`,\n relative: ymd === tomorrowYmd ? \"tomorrow\" : \"none\",\n weekday: capWeekday,\n month: mo,\n day: d,\n hour: hour12,\n minute,\n ampm: h < 12 ? \"AM\" : \"PM\",\n period,\n };\n}\n\n/** Pipe-delimited form, kept for the confirmed_parts variable in Retell. */\nconst toParts = (s: Slot) =>\n `relative=${s.relative}|weekday=${s.weekday}|month=${s.month}|day=${s.day}` +\n `|hour=${s.hour}|minute=${s.minute}|ampm=${s.ampm}|period=${s.period}`;\n\n/**\n * Walk forward collecting open slots. `respectPreference` false ignores the\n * day/window filters — used for the fallback pass when the requested window\n * has nothing in it.\n */\nfunction findSlots(\n body: ReqBody,\n wanted: number,\n bookedPct: number,\n respectPreference: boolean,\n horizonDays: number,\n): Slot[] {\n const tz = body.timezone || \"America/New_York\";\n const excluded = new Set(\n String(body.exclude_slot_ids || \"\").split(\",\").map((s) => s.trim()).filter(\n Boolean,\n ),\n );\n const t = todayIn(tz);\n const tomorrowYmd = (() => {\n const dt = new Date(Date.UTC(t.y, t.mo - 1, t.d + 1, 12));\n return `${dt.getUTCFullYear()}-${pad(dt.getUTCMonth() + 1)}-${\n pad(dt.getUTCDate())\n }`;\n })();\n\n // earliest_date moves the floor. Never same-day, whatever was asked for.\n let start = 1;\n if (body.earliest_date && /^\\d{4}-\\d{2}-\\d{2}$/.test(body.earliest_date)) {\n const [ey, em, ed] = body.earliest_date.split(\"-\").map(Number);\n start = Math.max(\n 1,\n Math.round(\n (Date.UTC(ey, em - 1, ed, 12) - Date.UTC(t.y, t.mo - 1, t.d, 12)) /\n 86400000,\n ),\n );\n }\n\n const out: Slot[] = [];\n for (\n let off = start; off < start + horizonDays && out.length < wanted; off++\n ) {\n const cal = new Date(Date.UTC(t.y, t.mo - 1, t.d + off, 12));\n const dow = DOW[cal.getUTCDay()];\n if (dow === \"saturday\" || dow === \"sunday\") continue;\n if (\n respectPreference && body.preferred_day_of_week &&\n body.preferred_day_of_week.toLowerCase() !== dow\n ) continue;\n\n for (const g of GRID) {\n if (out.length >= wanted) break;\n if (respectPreference && body.preferred_time_of_day) {\n const inWindow = WINDOW[body.preferred_time_of_day.toLowerCase()];\n if (inWindow && !inWindow(g.h)) continue;\n }\n const slot = describeSlot(\n cal.getUTCFullYear(),\n cal.getUTCMonth() + 1,\n cal.getUTCDate(),\n g.h,\n g.m,\n tz,\n tomorrowYmd,\n );\n if (excluded.has(slot.id)) continue;\n if (!isFree(slot.id, bookedPct)) continue; // already taken\n out.push(slot);\n }\n }\n return out;\n}\n\nexport default async function handler(request: Request): Promise {\n const url = new URL(request.url);\n const scenario = (url.searchParams.get(\"scenario\") || \"\").toLowerCase();\n const route = url.pathname.replace(/\\/+$/, \"\").split(\"/\").pop() || \"\";\n\n let body: ReqBody = {};\n try {\n body = await request.json() as ReqBody;\n } catch { /* empty body is fine */ }\n\n console.log(`\\n[MOCK] ${route} scenario=${scenario || \"default\"}`);\n console.log(\"[MOCK] request body:\", JSON.stringify(body));\n\n if (scenario === \"slow\") await new Promise((r) => setTimeout(r, 25000));\n if (scenario === \"500\") return json({ error: \"mock upstream failure\" }, 500);\n\n if (route === \"get-available-slots\") {\n const bookedPct = scenario === \"busy\" ? 96 : 85;\n const wanted = scenario === \"one\"\n ? 1\n : Math.min(Number(body.limit) || 3, 3);\n const asked = Boolean(\n body.preferred_day_of_week || body.preferred_time_of_day,\n );\n\n // A weekday or window request means the NEAREST match, so a short\n // horizon — that's what makes \"we have nothing then\" actually happen.\n // An explicit earliest_date means \"from here onward\", so search wide.\n const horizon = body.earliest_date ? 28 : asked ? 7 : 21;\n\n let slots: Slot[] = [];\n let matched = \"yes\";\n if (scenario !== \"empty\") {\n slots = findSlots(body, wanted, bookedPct, true, horizon);\n if (slots.length === 0 && asked) {\n slots = findSlots(\n body,\n wanted,\n bookedPct,\n false,\n body.earliest_date ? 28 : 21,\n );\n matched = \"no\";\n console.log(\n \"[MOCK] no match for preference, returning nearest instead\",\n );\n }\n }\n\n const labels = slots.map((s) => s.label);\n const res = {\n slot_count: slots.length,\n preference_matched: slots.length === 0 ? \"no\" : matched,\n slots_spoken: labels.length < 2\n ? labels[0] ?? \"\"\n : `${labels.slice(0, -1).join(\", \")}, or ${labels[labels.length - 1]}`,\n slots_data: JSON.stringify(slots.map((s, i) => ({ n: i + 1, ...s }))),\n };\n console.log(\"[MOCK] ->\", JSON.stringify(res));\n return json(res);\n }\n\n if (route === \"book-appointment\") {\n const fail = (reason: string) => {\n console.log(\"[MOCK] booking failed:\", reason);\n return json({\n status: \"failed\",\n appointment_id: \"\",\n confirmed_time_label: \"\",\n confirmed_parts: \"\",\n failure_reason: reason,\n });\n };\n\n if (scenario === \"fail\") return fail(\"simulated system error\");\n if (scenario === \"taken\") return fail(\"slot was taken by someone else\");\n if (!body.slot_id) {\n return fail(\"no slot_id sent — agent never captured a time\");\n }\n\n const m = String(body.slot_id).match(\n /slot_(\\d{4})-(\\d{2})-(\\d{2})_(\\d{2})(\\d{2})/,\n );\n if (!m) return fail(`unrecognised slot_id: ${body.slot_id}`);\n\n const tz = body.timezone || \"America/New_York\";\n const t = todayIn(tz);\n const tm = new Date(Date.UTC(t.y, t.mo - 1, t.d + 1, 12));\n const tomorrowYmd = `${tm.getUTCFullYear()}-${pad(tm.getUTCMonth() + 1)}-${\n pad(tm.getUTCDate())\n }`;\n\n const [y, mo, d, h, mi] = m.slice(1).map(Number);\n const slot = describeSlot(y, mo, d, h, mi, tz, tomorrowYmd);\n const res = {\n status: \"booked\",\n appointment_id: `mock_appt_${Math.random().toString(36).slice(2, 10)}`,\n confirmed_time_label: slot.label,\n confirmed_parts: toParts(slot),\n };\n console.log(\"[MOCK] ->\", JSON.stringify(res));\n return json(res);\n }\n\n if (route === \"create-support-ticket\") {\n if (scenario === \"fail\") {\n return json({ status: \"failed\", ticket_number: \"\" });\n }\n console.log(\"[MOCK] ticket:\", body.ticket_reason, \"|\", body.ticket_title);\n return json({\n status: \"created\",\n ticket_number: `MOCK-${Math.floor(Math.random() * 90000 + 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Diff · v11