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| Author | SHA1 | Message | Date | |
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  adminandClaude Opus 5
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e6c45a61e7 |
TARIFF-10: configuring a price provider is what fetches prices
checks / unit (pull_request) Successful in 7m19s
amain() started the background tariff refresh only when arbitrage_enabled was
on, and that option ships false. run_tariff_refresh is the only caller of
resolve_tariff(), which is the only caller of price_history.carry() - so on a
shipped install with a price provider configured nothing was ever fetched: no
plan resolved, /data/price_history.json never created, the Price history status
row reading `empty` for the life of the install, and TARIFF-09's short-horizon
warning unable to fire because there was no fetch to warn about. Measured over
a 40 h two-instance soak on one feed: 0 requests and `present: false` across all
802 samples, against a resolved 132-point plan on the instance with arbitrage
armed.
git log -S puts the refresh task, its arbitrage.enabled() guard AND the DOCS.md
sentence saying a configured provider still fetches in the same commit - OPT-04,
bdd7f18; config.yaml has carried the claim since TARIFF-02,
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Claude Opus 5
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17b7b447c4 |
TARIFF-09: ask the day-ahead feed for the horizon it was handed
checks / unit (pull_request) Successful in 7m10s
`generic_dayahead.fetch()` accepted `since` and `until` and requested the
bare `?bzn=BE`, which answers ONE Brussels day. Everything past today was
then filled from yesterday's profile by FCST-04, flagged provisional, and
§8.3 drops provisional hours from the trade set -- so the optimiser never
saw tomorrow as firm, at any hour of any day, and nothing reported it.
Measured on
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adminandClaude Opus 5
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6eba18968c |
TARIFF-08: the day-ahead feed is read in the shape it actually publishes
checks / unit (pull_request) Failing after 3s
`generic_dayahead` could not read one byte of `api.energy-charts.info`, and
never had been able to. `_points_from_json()` asks for `doc["data"]`, a list of
`{start, price_eur_mwh}` objects; that document does not exist. Fetched live on
2026-09-10 the feed returns COLUMNAR parallel arrays and no `data` key at all -
`unix_seconds` (96 UTC epoch seconds, 900 s apart), `price` (96 floats),
`unit: 'EUR / MWh'`. Driving the shipped parser against that body:
`SourceUnavailable: the feed carried no 'data' list`. It is the only shipped
provider whose endpoint anybody has reached, so dynamic pricing did not work.
AND §11.4 MADE IT SILENT, which is why it survived to release: a parse error
becomes no_data, becomes the static profile, becomes arbitrage off - the
CORRECT degradation, saying nothing about the cause. A site would have sat on
the fallback indefinitely.
AND THE SUITE COULD NOT SEE IT, because every fixture was built from the
parser's own assumption. test_price.py, test_price_history.py and
test_static_tariff.py each built `json.dumps({"data": [...]})`, a shape invented
here and published by nobody, so the checks graded the parser against the
parser's guess - a closed loop no coverage inside it could ever have escaped.
MUTATION.md habit 19 records it as the fourteenth instance of habit 4 and the
first where the fixture and the code under test shared a SHAPE, not a number.
WHAT CHANGED
* `_points_from_columnar_json()` - a SECOND function, not a sniff. A parser that
decides which document it received is one that can decide wrong, and a
wrong-but-parseable response then becomes a price. Feeding the row shape to
`generic_dayahead` is now a graded no_data.
* Unequal arrays are refused in both directions, with the two lengths in the
reason. `zip()` stops at the shorter list silently, and a truncated `price`
array would have produced a real series missing the evening peak - traded on
as complete, where no data at all switches arbitrage off.
* A unit that is not EUR/MWh is refused. The plugin converts with a fixed
0.001, and `MAX_PLAUSIBLE_EUR_KWH` only bounds prices that are too LARGE.
* `unix_seconds` are read as UTC instants explicitly; §9.3's Brussels rendering
stays in `assemble()` rather than being copied into the plugin, where a
mutation could not tell it from a no-op (M4 proved exactly that on a first
draft, and the line was removed rather than fenced).
* A published null is dropped and logged with a count; an all-null body is
no_data named by this parser rather than by the boundary validator.
FIXTURES
Two unmodified response bodies under `scenarios/`, captured by hand on
2026-09-10: quarter-hourly (2026-09-10, 96 points at 900 s) and hourly
(2025-09-10, 24 at 3600 s - the same endpoint before Belgium's 15-minute MTU).
`energy-charts-be-price-captures.json` records the URL, retrieval time, unit,
licence-as-returned and a sha256 of each, and the replay RE-DERIVES the
checksums, so a fixture edited to make a check pass stops being a capture. Data
CC BY 4.0, Bundesnetzagentur | SMARD.de, via Energy-Charts (Fraunhofer ISE),
published without changes - the same BE-zone licence check DATA-02 established.
The surviving invented fixtures are renamed `synthetic_row_feed` at every call
site. `engie_dynamic`, `totalenergies_dynamic` and `eneco_eddy` are untouched
and have no capture: their URLs are unverified and withdrawing them is
TARIFF-07's open decision. Nothing should read their green checks as evidence
that those feeds parse.
MUTATIONS - 12, all red, no survivors. Purged tree, mounted `:ro`, `python3 -B`
(TEST-15). M1 drop the equal-length refusal; M2 make it one-sided; M3 drop the
unit check; M4 `assemble()` stops rendering at the Brussels offset; M5 read
`unix_seconds` as a naive local clock; M6 zero-fill a null instead of dropping
it; M7 drop the all-null refusal; M8 sniff for the row shape; M9 drop the
deprecated warning; M10 drop the dropped-nulls warning; M11 edit one price in
the committed capture; M12 point `generic_dayahead` back at the row parser -
red across all three price suites.
END TO END, LIVE, 2026-09-10: `resolve_tariff()` returns a `TariffPlan`,
`origin='provider'`, 96 quarter-hourly points, spacing [900] s, no decimation,
first point 2026-09-10T00:00:00+02:00 at 0.30608 EUR/kWh all-in. FCST-04's H1
fix was never theoretical. All 29 test files green.
STILL OPEN: `generic_dayahead` asks for no date range, so the default URL
returns one published day - a full 48 h horizon is reached only through §8.3's
carry-forward fill.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01BwRLw7eKYj2byVdwB6kbjU
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glenn schrooyenandClaude Opus 5
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7b4877d56d |
TEST-15: purge the bytecode cache before a mutation run, not after
checks / unit (pull_request) Successful in 3m35s
FCST-03's developer reverted `self.provisional` to `here.provisional`, re-ran, and reported the mutation as a survivor. It was not one. CPython validates a cached `.pyc` on (source size, source mtime truncated to whole seconds), and that edit moved neither number - same length, same second - so the interpreter loaded the bytecode it already had. Disassembly settled it at the time: the source read `here`, the running code loaded `self`. A mutation run had graded code that was not there, with no error and exit status 0. This does not make the results already on the record wrong. It makes them UNVERIFIED, and that distinction is the whole card - so nothing here re-runs a campaign and nothing here quietly assumes the old numbers hold. REPRODUCED, THEN CLOSED. test_bytecode.py builds a real package whose two return values are the same length, imports it in a real subprocess, rewrites it inside the same second (retrying until both writes land in one whole second - milliseconds, no sleep) and reads back which value ran. Part 1 shows the interpreter running SELF off a file that says HERE. AND THE TWO OBVIOUS MITIGATIONS DO NOT WORK. Measured, not read off documentation: `python3 -B` and PYTHONDONTWRITEBYTECODE=1 are write-side only. Neither stops an EXISTING stale .pyc being read, and a mutation run always has one, because the previous run wrote it. Part 2 grades both still running the old code. The advice in test_control.py's coverage audit led with `-B`; it is corrected here - the purge is the half that works, and `-B` earns its place by keeping THIS run from leaving a cache for the NEXT edit to inherit. NO SLEEP ANYWHERE. One-second mtime resolution is the mechanism, not the enemy. Waiting it out would slow every run down and would still only cover the edit somebody remembered to slow down. THE HARNESS. tools/mutation_run.sh purges, prints a sha256/byte fingerprint of every app/*.py it is about to grade - so a mutation report can say WHICH source produced it, which is the reviewer's addition to this card - runs each suite under `python3 -B`, refuses a tree with no test_*.py (CI-01's rule, for CI-01's reason), and fails if a cache appears during the run. It takes the tree as an argument so the infra repo's replay harnesses can call it without being moved. WHERE IT IS SAID (AC 2). MUTATION.md carries the mechanism, the measurement, the reporting rules and the survey, and every one of the 16 suites now points at it from its docstring. That list is DERIVED FROM THE TREE by test_bytecode.py part 5, so a new suite that joins this directory without the pointer is red - the same failure shape CI-01's file glob exists to prevent. CI WAS ALREADY IMMUNE, AND IS DESCRIBED THAT WAY (AC 4). Verified rather than reasoned: with the checkout bind mounted `-v "$WS:/w:ro"` the interpreter writes no __pycache__ into the tree at all, and it fails SILENTLY - no error, exit status 0 - while the same probe on a writable mount produces one. Each job also rm -rf's its workspace and clones afresh, so nothing crosses between jobs on the shared runner. PYTHONDONTWRITEBYTECODE=1 is added as belt and braces only: the `:ro` is one character wide and the next person debugging a write will be tempted by it. Part 6 grades both ON THE DOCKER COMMAND LINE rather than on the file - the first draft searched the whole workflow and stayed green after the flag was deleted, because the comment explaining it still named it. THE SHIPPED ADD-ON IS NOT AFFECTED and the question is closed: goodwe_controller/Dockerfile has set PYTHONDONTWRITEBYTECODE=1 since it was written. There is no deploy-side finding. THE SURVEY (AC 3), in MUTATION.md, scoped BY THE PROPERTY. The defect is one-directional - a mutation that never took leaves the suite green, so stale bytecode manufactures SURVIVORS and cannot manufacture a red - which puts every "all red, no survivors" claim in the window out of scope, along with mutations executed in-process (SAFETY-07's B1/B2/B3, test_peakguard parts 7 and 10, where no source file is edited) and everything run after the purge discipline landed on 2026-08-31 (SAFETY-24, SAFETY-26, OPT-04, FCST-03's re-run). What is left is the recorded SURVIVORS from source-edit runs before that date. Two were re-run here under the harness and both still stand: TARIFF-01's record_block() ignoring its policy argument, and SAFETY-03's abs() on the clamp limit - 15 suites green each, on the tree as it stood. The rest are labelled still-unverified rather than assumed or re-run; each is one harness run to close, and the moment to spend it is when somebody next touches that module. OUT OF SCOPE AND RECORDED: the infra repo's sim/ replay harnesses import the add-on and write bytecode into both trees (goodwe/sim/__pycache__ exists today), so SAFETY-02's headline replay carries the same exposure. mutation_run.sh takes a tree argument for exactly that, but the change belongs in that repo and some of those harnesses want the rig. RED AND GREEN. Every new check was broken and watched fail: the purge commented out of the harness turns part 4 red (and its non-vacuity probe already proves the fixture would mis-grade without it); one docstring pointer removed turns part 5 red naming the file; `:ro` and the `-e` flag removed from the workflow turn part 6 red. Full suite green, 16 files, in the CI image on a read-only mount - the shape the runner uses. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> |
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glenn schrooyenandClaude Opus 5
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bdd7f18a54 |
OPT-04: charge cheap, discharge expensive - and only when it pays
checks / unit (pull_request) Successful in 3m16s
Four cards built the price stack and nothing traded on it. app/arbitrage.py is §10.1's priority 3, and it consumes all four rather than re-deciding anything: whether a trade is permitted at all, on which two hours, against which widened threshold is TariffPlan.arbitrage()'s answer, and that answer cannot be obtained without first saying whether the peak guard is holding. §9.1's "peak shaving outranks arbitrage" is therefore honoured structurally - there is no path to a spread that skips the question - and again in the arbiter, where P_PEAK (50) clamps a claim filed at P_ARBITRAGE (30). A guard that never ran is not a guard that is clear. On meter_source off the peak guard is never evaluated; that third state is carried as None and refuses, because charging at the rail creates the billed quantity while nothing measures the quarter. validate.py refuses that configuration too, along with arbitrage armed with no price source and a SoC floor at or above the ceiling. §17: never export into a negative price. The guard is on the hour being sold into, not on the spread - a day priced -0.30 .. -0.05 clears any threshold and its dearest hour is still negative. Buying in a negative hour stays allowed. resolve_tariff() may open an HTTPS connection and the tick feeds the ESP32 heartbeat, so the fetch runs in its own task at a 30 min cadence and the tick reads an attribute and an age bound. test_arbitrage.py section 8 asserts that structurally on the shipped AST: a fetch put back on cycle() is red. AC4 is NOT met and is not restated - this repository holds no price history. Section 7 replays a synthetic year and asserts the property that does not need real prices: every executed round trip cleared its own widened requirement, and zero discharges landed in the 522 negative-priced hours. At the shipped 0.10 EUR/kWh threshold a realistic Belgian day/night site does not trade at all. Reported, not tuned: that number and FCST-03's widening factors are one product decision and it is the owner's. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015VXjA3LWccN1rJsk3okyPC |
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glenn schrooyenandClaude Opus 5
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303525cfc5 |
TARIFF-03: static day/night and fully-fixed tariffs, first-class
checks / unit (pull_request) Successful in 2m43s
§9.2 puts a large share of the Belgian installed base on a static profile, and
an EMS that only works under dynamic pricing is an EMS for a minority. A new
`static_profile` option describes a two-period day/night tariff - or a single
fixed price - and app/static_tariff.py turns it into the same canonical
{start, eur_per_kwh, provisional} series the fetched providers emit.
Not a sixth provider plugin, for two mechanical reasons. capabilities() is a
classmethod, so a plugin's PriceProduct is fixed when the class is written -
but §9.2 makes STATIC and FIXED two different products and which one a site is
on is a property of the operator's data; StaticProfile.product derives it from
the number of distinct prices. And the plugin framework exists to stop a
FETCHED figure being marked up twice, which a number typed as all-in cannot be.
So the profile sits where §11.4 already says it does - under the providers, as
the fallback. Configured product and feed-is-down are one generator differing
in one flag, so the degradation path cannot rot unused.
"No arbitrage" is a type. TariffPlan.arbitrage() returns a variant whose
ALLOWED arm carries the spread and the cheapest/dearest hours and whose REFUSED
arm carries a reason and nothing else - .spread_eur_kwh on a refusal raises
rather than answering 0.0, so an optimiser cannot compute a trade from one.
Four refusals, all derived: peak guard holding, no price data, plan
provisional, or the series is FLAT. The last is AC2: a fixed tariff disables
arbitrage by arithmetic, not by matching on an enum. peak_guard_active is a
required keyword argument, so §10.1's priority 2 over 3 cannot be skipped.
Time-window shifting reaches the one shiftable load that exists: main.py's
cheap-window flag falls back to the static profile, and the UI gained a Tariff
row. Cheap is STRICTLY below the seven-day mean - `<=` would call every hour of
a flat tariff cheap, and 48 h taken on a Friday is two-thirds weekend.
A profile must tile every day type exactly once, checked at startup; a gap is
refused with the range named rather than filled in. `22:00-07:00 mon-fri` does
not cover Saturday morning, and that trap is what the check catches.
validate.py rule 7's stated reason expired exactly as TARIFF-02 predicted: the
test_price.py section 12 tripwire went red naming static_tariff.py. The message
now says what is true instead, and the tripwire is re-aimed rather than removed
- consumer set pinned, expired phrase asserted gone. Rule 7 also grew a second
refusal for static_profile alongside the HA price pair, the same silent-loser
conflict and a live one.
CFG-03 is not widened: static_profile went into price.py's PRICE_OPTION_DEFAULTS
- the one in-code mirror pinned to config.yaml by a check - and the new module
carries no defaults dict of its own.
Measured on the two committed days of this house's real P1 meter. 2026-08-20
(Thursday): 15.220 kWh imported, 9.606 day / 5.614 night, EUR 4.7185 under
day/night vs EUR 4.6725 flat, shifting saves EUR 0.8069 = 9.606 kWh x the
0.0840 spread, derived twice. 2026-08-23 (Sunday): 0.728 kWh, all of it
night-priced, which is the weekend row proving itself. §17 names six Belgian
scenarios; this is the seventh, and it is two days rather than a season - the
file says so rather than implying an annual figure.
All 12 suites green. Eleven mutations of static_tariff.py were each caught by
at least one check.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015VXjA3LWccN1rJsk3okyPC
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adminandClaude Opus 5
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e102cde841 |
TARIFF-02 review: close the three other doors to the markup, and stop overclaiming
checks / unit (pull_request) Successful in 2m34s
Review of PR #16 wrote a double-counting plugin four ways. PluginOptions blocked one. The one that decided it touched nothing but PRICE_OPTION_DEFAULTS - a public dict in the module every plugin must already import for register() - so "the number is not in scope" was simply false, and an absolute guarantee a reviewer trusts is worse than a stated limit, because they stop checking. register() now refuses, AT IMPORT, any plugin whose own code mentions a framework-owned name: FRAMEWORK_KEYS plus PRICE_OPTION_DEFAULTS, price_option and _o. code_leaks() parses the class and drops every docstring node before searching, because every plugin is REQUIRED to name its sourced components in prose - engie_dynamic says "markup" in its docstring and a raw text scan false-positives on the documentation the same file mandates. A check that fires on required documentation is a check somebody deletes. test_price.py asserts that a raw scan really would have false-positived, so the strip is proven load-bearing rather than asserted. It fails OPEN if inspect.getsource() cannot find the .py, which the add-on image always can. Refusing to start a battery controller because a static analysis could not run would trade a real outage for a hypothetical accounting error - so instead the checks assert source was found for all five shipped plugins, and a build that lost it is a red check rather than a quietly disarmed guard. All three reachable attacks are written out as plugins in the suite and each must be refused at registration. The cost is measured, not asserted: honest wholesale 0.188, every attack 0.219 - one markup high, every hour, invisible in every log this add-on writes. The guarantee is now stated at its true size everywhere it appears: the framework adds the complement exactly once, GIVEN A CORRECT sources DECLARATION. A plugin that declares {ENERGY} while its feed is all-in still doubles while touching no framework name, and no code can catch that - the declaration is an unverifiable claim about somebody else's tariff. Measured in the suite (0.276) so the limit is a number rather than a caveat. The docstring/declaration check verifies that a plugin's two claims AGREE, not that either is true; that now says so. The three surviving mutations: M3 - _NoData's reason taking a default. This is the identical survivor left open on RIG-01's _Unread.cause: the shape was borrowed from sim/riglock.py including its blind spot, which is what borrowing a shape does if nobody re-runs the mutations against the copy. Closed by SIGNATURE - no constructor or handler of an outcome type may carry a default - so the next one is red without anyone writing a new case. M5 - the ENERGY-required guard was untested. Its consequence is that adds becomes {ENERGY, TAXES} and the emitted price silently omits the energy it is pricing. M7 - deleting the TLS refusal went green AND the check named for it still passed, because the old parser stripped a fixed len("https://") and mangled http://api.energy-charts.info/p into the host pi.energy-charts.info, which then failed the ALLOW-LIST. An assertion that does not test what it names, inside a security check. Fixed on both sides: the scheme is parsed as a scheme, so an http URL now resolves to its real and declared host and only the TLS rule can refuse it; and the check asserts the REASON. Fixing it surfaced M7b - the no-scheme guard was survivable the same way - found by mutating my own fix, and closed the same way. Also carried forward: rule 7's refusal is correct forever but its stated reason ("the provider decides nothing") expires the moment TARIFF-03 or OPT-04 lands. test_price.py section 12 now greps app/ by AST for a load_prices consumer and goes red when one appears, telling whoever lands it to update the message in the same commit. The first draft of that tripwire used a substring and matched the comment in validate.py explaining the tripwire - the same false-positive class as the plugin docstrings, hit twice in one ticket, and fixed the same way. Documented rather than coded around: vars(read).get("points", []) and bool(read) both still get past the absence type, and neither is worth code - defining __bool__ would turn a line that reads like a guard into one that IS a guard by accident, which is how .get(k, default) got here in the first place. Stated plainly in DOCS/CHANGELOG/PR: every fixture is synthetic, so the five feed URLs and JSON shapes are verified against a belief about what those suppliers publish rather than against the feeds. A wrong shape degrades to no-price-data, not to a wrong price. Review's own DST verification recorded: 149,040 hourly instants, 2020-2036, zero mismatches against zoneinfo. The residual is political, not arithmetic, and the docstring now says so. 24 mutations driven through the suite, 0 survivors. Whole add-on suite green. No deleted lines outside this ticket's own files; main.py still untouched. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_015VXjA3LWccN1rJsk3okyPC |
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adminandClaude Opus 5
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852fc7ced6 |
TARIFF-02: one canonical price format, and a seam that keeps supplier names out of the optimiser
checks / unit (pull_request) Successful in 2m33s
Five provider plugins - generic_dayahead, engie_dynamic,
totalenergies_dynamic, eneco_eddy, manual_csv - all emitting exactly
{"prices": [{"start", "eur_per_kwh", "provisional"}]}, tz-aware at the
Brussels offset, EUR/kWh, all-in. Nothing consumes it yet; the seam
lands first, per the PM's ordering.
It is built in goodwe_controller/app/ rather than at specs.md 2.2's
ems/ingest/prices/, per the product owner's decision of 2026-08-30. The
behaviour 9.3 / 8.3 / 11.4 specifies is unchanged.
Three things shape the design, and each is the mechanism rather than a
comment saying to be careful:
Double-counting the markup is unreachable. A plugin does not return a
price - it returns the figure its source published and declares which of
{energy, markup, taxes} that figure already contains. assemble() adds
the complement, once, in the framework. A plugin is never handed
price_markup_eur_kwh: PluginOptions raises FrameworkOption on it, so the
line that adds the margin a second time cannot be written. Engie and
TotalEnergies publish a retail figure with their margin inside; adding
the configured 3 c/kWh on top would have made every arbitrage decision
wrong by that amount with nothing reporting it.
The product type is declared, not inferred from the plugin's name.
eneco_eddy is real-time/imbalance and gets 8.3's widened thresholds
through capabilities().product and volatility_regime(), never through a
name comparison - which is AC2. test_price.py asserts mechanically that
no plugin id appears anywhere in the framework's code, and drives a
sixth provider defined inside the test file to the right regime with
price.py untouched.
"No price data" is a type, not an empty list - the same rework
sim/riglock.py took under TEST-04. A fetch returns PriceRead.series(...)
or PriceRead.no_data(reason), and only the first carries fields. An
empty series is not constructible; no_data has no .points, no .at(), and
.get("points", []) raises rather than returning the default. A day of
free electricity and a day with no prices are different instructions -
arbitrage is pointless under one and forbidden under the other - and an
implementation returning [] cannot tell them apart. Every site-level
failure returns no_data; nothing raises into the control tick.
Also: injection stays a separate scalar (export_price_eur_kwh, AC4),
negative prices survive the boundary validator (17's regression case),
egress is allow-listed against each plugin's own declaration (16), and
no tzdata is used - the shipped Alpine image has none, so Brussels
offsets come from the EU rule and instants are carried as UTC.
validate.py grows rule 7: an unknown provider id, manual_csv with no
path, and - the HA overlap the PM told us to decide about -
price_provider set alongside price_now_entity/price_avg_entity, which is
two price sources where the HA pair silently wins. The HA sensors are
kept and still work alone; TARIFF-03 and OPT-04 are what replace them.
CFG-03 is not widened: the price defaults have ONE in-code mirror,
PRICE_OPTION_DEFAULTS, which validate.py imports rather than restating
and which test_price.py pins to config.yaml by reading the file.
test_price.py is runnable, assert-free in the house style, and every
verdict it prints is derived. It grades the markup arithmetic with
0.031/0.057 rather than the shipped 0.03/0.06, because 0.06 is exactly
twice 0.03 and a degenerate pair would make double-counting
indistinguishable from correct addition - and it asserts that
non-degeneracy as its first section. The DST checks run on the 23-hour
and 25-hour days, not on a normal day where a fixed 24-slot
implementation and a correct one agree. Thirteen mutations were driven
through it; all thirteen go red.
Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_015VXjA3LWccN1rJsk3okyPC
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