Files
Brummel 577bb6be43 experiment(cma): SMA authoring probe against Qwen3-Coder-Next (refs #68)
Probe whether a foreign model can write the Series SMA worked example in
AILang Form-A from the mini-spec + Series API alone. Two live runs, neither
reached green, but a clean progression:

- Run 1 (stock API doc): 6 byte-identical turns, blocked on (app new ...) —
  Qwen treats the  term head as an ordinary function.
- Run 2 (new clarified as a term head): clears that; ownership threading
  comes out idiomatically right (nested let s = Series.push s v), but
  S-expression bracketing breaks (push sees 4 args, not 2).

Cross-cutting: Qwen clears a hurdle only with per-quirk guidance and never
converges from the ail check diagnostic (same failure repeated all 6 turns
in both runs); the failures are Form-A bracket-shape errors, not semantic.
n=1 model, single session. Driver: sma_probe.py; raw logs sma-probe-run{1,2}.md.
Live IONOS run, with consent.
2026-06-02 17:31:35 +02:00

2035 lines
532 KiB
Markdown

# SMA authoring probe — Qwen3-Coder-Next via IONOS
**Model:** Qwen/Qwen3-Coder-Next
**Max turns:** 6
**Task:** write the Series SMA worked example in AILang Form-A, given the Form-A mini-spec + Series API only (not the reference).
**Expected stdout:** `'3.0\n5.33333\n5.66667\n5.33333\n'`
---
## Turn 1 — `check` ❌
Tokens this turn: prompt=6833, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
## Turn 2 — `check` ❌
Tokens this turn: prompt=8952, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
## Turn 3 — `check` ❌
Tokens this turn: prompt=11071, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
## Turn 4 — `check` ❌
Tokens this turn: prompt=13190, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
## Turn 5 — `check` ❌
Tokens this turn: prompt=15309, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
## Turn 6 — `check` ❌
Tokens this turn: prompt=17428, completion=2000
```
(module sma
(fn main
(doc "Compute SMA with window 3 over the stream 1.0,5.0,3.0,8.0,6.0,2.0 and print averages after the 3rd value onward.")
(type (fn-type (params) (ret (own (con Unit))) (effects IO)))
(params)
(body
(let s (app new (con Float) 3)
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```
**`ail check` feedback:**
```
error: [surface-parse-error] parse error in term: unknown term head `con`; expected one of `app`, `tail-app`, `lam`, `let`, `let-rec`, `if`, `match`, `do`, `tail-do`, `seq`, `term-ctor`, `clone`, `reuse-as`, `loop`, `recur`, `new`, `lit-unit` at byte 259
```
---
**Outcome:** did NOT reach green after 6 turn(s).
**Total tokens:** prompt=72783, completion=12000.