w1n5t0n/OptMem
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say "bytes", not "characters", where the limit is bytes

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`check()` enforces the entry limit on `len(text.encode())`, but every place
that asks the agent for a line calls it characters:

  - the `nap` compression prompt ("at most %d characters")
  - `note`'s usage line ("at most %d chars")
  - the installed prompt in TEMPLATE ("max {chars} chars")

An agent budgeting characters overshoots on any non-ASCII text and only
finds out from the error, one round trip per attempt. The error message
already explains the byte cost -- this just says it up front, at no cost
to the prompt.

Five words, no behaviour change. 109099 tests pass.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Julian 2026-07-29 13:38:37 -06:00
parent 428d2ecb89
commit 951659186c
2 changed files with 5 additions and 5 deletions
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4
README.md
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@ -21,7 +21,7 @@ The tool lands at `~/.optmem/memo`; put `~/.optmem` on `PATH` to type `memo`.
| | | | | |
|---|---| |---|---|
| `memo wake` | read the memory — the first command of every session | | `memo wake` | read the memory — the first command of every session |
| `memo note "..."` | record one memory: one line, up to 280 chars | | `memo note "..."` | record one memory: one line, up to 280 bytes |
| `memo nap` | answer the merges that came due | | `memo nap` | answer the merges that came due |
| `memo recall <regex>` | search every memory ever recorded, word for word | | `memo recall <regex>` | search every memory ever recorded, word for word |
| `memo zoom <lo>-<hi>` | open a tree node into its two halves | | `memo zoom <lo>-<hi>` | open a tree node into its two halves |
@ -77,7 +77,7 @@ then do exactly what it prints, to the end of its output.
### While working: register memories (mandatory) ### While working: register memories (mandatory)
Call `~/.optmem/memo note "<1 line, max 280 chars>"` whenever you learn Call `~/.optmem/memo note "<1 line, max 280 bytes>"` whenever you learn
something new, or something worth keeping happens. That covers a task something new, or something worth keeping happens. That covers a task
worth real effort, a fact or insight the user teaches you, anything you worth real effort, a fact or insight the user teaches you, anything you
learn about their life (even indirectly), any event of lasting effect. learn about their life (even indirectly), any event of lasting effect.

6
memo
View file

@ -478,7 +478,7 @@ def nap_prompt(d, lo, hi, left):
tail = "" if not left else "\n%s after this one." % ( tail = "" if not left else "\n%s after this one." % (
"1 compression remains" if left == 1 else "1 compression remains" if left == 1 else
"%d compressions remain" % left) "%d compressions remain" % left)
return ("Compress memories #%d-%d into one line of at most %d characters.\n" return ("Compress memories #%d-%d into one line of at most %d bytes.\n"
"Keep what has lasting effect, drop what does not. Invent " "Keep what has lasting effect, drop what does not. Invent "
"nothing.\n\n" "nothing.\n\n"
"%s\n%s\n" "%s\n%s\n"
@ -513,7 +513,7 @@ then do exactly what it prints, to the end of its output.
### While working: register memories (mandatory) ### While working: register memories (mandatory)
Call `{memo} note "<1 line, max {chars} chars>"` whenever you learn Call `{memo} note "<1 line, max {chars} bytes>"` whenever you learn
something new, or something worth keeping happens. That covers a task something new, or something worth keeping happens. That covers a task
worth real effort, a fact or insight the user teaches you, anything you worth real effort, a fact or insight the user teaches you, anything you
learn about their life (even indirectly), any event of lasting effect. learn about their life (even indirectly), any event of lasting effect.
@ -653,7 +653,7 @@ def cmd_wake(d, args):
def cmd_note(d, args): def cmd_note(d, args):
if len(args) != 1: if len(args) != 1:
die("usage: %s note \"<one line, at most %d chars>\"" die("usage: %s note \"<one line, at most %d bytes>\""
% (ME, ENTRY_CHARS)) % (ME, ENTRY_CHARS))
text = check(args[0]) text = check(args[0])
i = log_append(d, [(datetime.date.today().isoformat(), text)]) i = log_append(d, [(datetime.date.today().isoformat(), text)])