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The draft compile() quoted every Is/IsNot term, which contradicted the
same task's own assertion that a negated tag compiles to .
The implementer resolved it in the direction the tests specify, and the
resolution is right: notmuch reads tag:inbox and tag:"inbox" identically,
counting 5322 either way against the live index, so quoting a tag would
change the stored string without changing what it matches. That breaks
the byte-for-byte round trip this type exists to guarantee.
Restate the comment as the rule rather than as a note about what a test
expects, correct the plan's draft so the remaining tasks do not inherit
the contradiction, and warn the parser task that a quoted tag must not be
read back as a quoting operator.
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Twelve tasks against the design approved today, TDD throughout: RuleQuery
comes first as a value type with no widget dependency, tested on exact
strings, and the dialog is wired to it only once parsing and compiling
round-trip.
Two tasks carry the guarantees the design was shaped around rather than
merely testing behaviour. Task 7 round-trips every query shape present in
the live rules file and pins it with a mutation check, since a compile
that differs by one paren would rewrite a file a second tool reads. Task
6 pins whole-query rejection, because a parser that salvages the part it
understands is how a not clause goes missing and a live mail filter
silently widens.
Queries in the tests are generic placeholders. The shapes are what is
under test and they survive substitution intact.
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