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swaitsandClaude Opus 5.5 b22a034746 MCP: short connect text, a handbook, tool annotations, safe local imports 
- The 13K-character instructions (clients cut them short) become a
  connect text of at most 1,400 characters whose first 512 stand alone,
  plus books.handbook and books://handbook/{section}: the old guidance by
  section, with no helper commands, home paths, pull requests or
  file-reading suggestions (tool_text_lint).
- Every tool has a title and read-only/destructive hints; no
  requiresUserInteraction anywhere (owner decision 2026-10-16).
- books.import_local_file reads only regular files inside the import
  roots (the downloads folder by default, or --import-root), never the
  data dir, books dir, vault or the key's folder, no symlink escapes or
  hard links, and the file opened must be the file checked.
- The store lock is a tokio mutex taken off the runtime threads.
- get_info refreshes settings first; a bare books://digest reads.

Review fixes (P0 review, 2026-10-16):
- Fail closed: a tokio mutex never poisons and spawn_blocking caught the
  panic, so after a panic mid-mutation the server kept serving a Store
  behind its journal. A panic (the task, or while holding the store)
  now stops the shared store; every later request on every session is
  refused with a plain message; a restart re-verifies the journal. The
  join error goes through redact_refusal and never carries the panic's
  text.
- books.set_w9 w9_file_path read any path (a link named w9.pdf to the
  vault key was stored and get_w9 wrote it out): it now goes through the
  import roots' lockdown, its type judged on the canonical path.
- Sealed even inside a root: the key file in force, where a linked one
  leads, both folders, and the default key folder whatever the settings
  say. Refusals check the roots first, so outside them every path gets
  one message (no probing what exists); inside, other books-dir files say
  to copy them out first.
- The open is O_NOFOLLOW | O_NONBLOCK (a pipe swapped in after the check
  can't hang a thread) and must match the checked file's device and
  inode. New dependency: libc (unix only), for those two open flags,
  which std doesn't name.
- Default import roots are the downloads folder only (the plan); files
  with full TINs (get_w9, vendor_1099 include_tins, the CPA package with
  TINs) are never written into an import root, and the server refuses to
  import any file it wrote with TINs (by SHA-256).
- set_tin and set_w9 overwrite vault records: destructive_hint = true;
  annotations_complete pins the key tools' hints. The read-only hint is
  checked in behaviour on every spec_mcp call (journal and data-dir files
  unchanged).
- Text: the connect text names the settings file as the one local file
  to edit, says every entry balances on real accounts and names its
  party, says invoice/bill/payment/payroll tools post unchecked, rewords
  the exemptions, and shows the company name as one plain line; the
  handbook takes section "all", lists its ids in the schema and says to
  read contract first; books.settings drops the config.json path and no
  error names the data dir or the key file. tool_text_lint covers the
  whole tool JSON and resources and bans git/commit/WL-0001; tool
  descriptions over 700 characters are pinned to today's eight (P5).
- digest: an empty since= is bare; the default date is pinned on every
  day of a month.

Round-2 review fixes (2026-10-16):
- TIN files (B-26): the in-memory, per-session set of TIN-file hashes
  became one registry beside the vault (vault/tin-files.sha256, hashes
  only), shared by every session and every later server. It holds the
  W-9 set_w9 reads (recorded as read), get_w9 copies, 1099 worksheets
  with TINs, CPA packages with TINs and each file in one that holds a
  TIN; a file is recorded before it is written, and a failure refuses.
  import_local_file, attach_receipt and file_document (base64 was never
  checked) refuse a recorded file, and a text file (by type, name, or
  UTF-8/UTF-16 decoding) holding a full TIN. Not caught: an altered
  binary copy; the docs say so (P2/P7 remove the path tools).
- The text check is narrow (owner/engineer decision, 2026-10-16: bank
  exports are filed for reconciliation, and has_full_tin's "nine digits
  however separated" refused their routing numbers, long references and
  dates run into amounts). Text is refused when it holds (a) a TIN the
  vault holds for a party, anywhere, as nine digits, 3-2-4 joined by
  hyphens, spaces or dots, or 2-7 joined by a hyphen or space, compared
  on the server against the decrypted vault and never returned or
  logged (a vault that can't be opened leaves (b)); or (b) a stand-alone
  printed SSN (123-45-6789) or EIN (12-3456789) shape: no digit, and no
  hyphen or dot followed by a digit, beside it. Full-width digits and
  Unicode hyphens and spaces read as ASCII. has_full_tin still guards
  refusals and results (redact_refusal). Known limit, for P7: a refusal
  under (a) tells the agent a text it chose holds a vault TIN.
  New dependency: zeroize in ledger-mcp (already in the workspace
  through ledger-vault, same major version), so the vault's TINs decoded
  for the scan are wiped from memory on drop as the vault's own are.
- Mutation testing of the final P0 diff (docs/testing.md): tests for
  each law a survivor broke (handbook titles, a dropped default root, a
  .jpg W-9, the waker, the walk's folder flags against a link and a
  pipe, the 40-link limit, save paths refused as such, the package
  marking only its TIN files, a registry that can't be read, text types,
  the short receipt rule's counts and a 12-character code). Simpler
  code where only a race could tell: inspect places an existing path by
  canonicalize itself (no second comparison), read_checked's read limit
  is its one size check, openat fails on -1 as specified. The 25 MiB
  upload test removes its 50 MB of books however it ends.
- The GUI's stale-rule prompt no longer says to open a pull request: it
  asks the agent to find the figure from the rule's official authority,
  confirm it with the human, pass it explicitly, and tell the human so it
  can be reported upstream (as the handbook says); a lib test pins it and
  bans files, git, GitHub and pull requests from every attention prompt.
- Import roots (local_files.rs INVARIANT 0): XDG_DOWNLOAD_DIR="$HOME/"
  made $HOME (or /) the root. No root may be /, the home folder or hold
  it, or hold the books, data dir, vault or a key: a named one stops the
  server at startup, a default one is dropped; the default falls back to
  ~/Downloads only if that is a real folder other than $HOME; with no
  root, an import says so.
- The read is a component walk from / with openat(O_NOFOLLOW |
  O_DIRECTORY) per folder and O_NOFOLLOW | O_NONBLOCK for the file, so a
  folder swapped for a link after the check fails; no step may land on a
  protected inode (one renamed into a root); dev/ino and nlink stay. No
  /proc. Portable to macOS. (libc's openat, two small unsafe blocks.)
- One refusal for missing, dangling and outside paths: resolved()
  follows every link, dangling ones too, so a link's target existing or
  not no longer changes the answer.
- Sealing: the key files (in force, default) and their targets always;
  their folders only when not $HOME, not a root, not holding a root; and
  ~/.config/wanderbooks whatever XDG_CONFIG_HOME says.
- Agent text (I-12): RuleNotKnown names the authority (IRS, with its
  address) and says to tell the human, never a repo path, PR or GitHub;
  the digest's stale_rules drop the repo catalog and path for it; vault,
  outside-books, STOPPED and local-file refusals name no git, path or
  flag. tool_text_lint bans docs/, .md, /home, data dir, --data-dir,
  --import-root, vault.key, .jsonl, sqlite, .gitignore, github, pull
  request, and also lints every error template (scanned from source),
  built error texts, and the server's refusal constants.
- The receipt rule told (ReceiptPolicy::rule) is the one enforced: the
  exact threshold in the base currency (no "$", no rounding), required
  and exempt accounts, reversals exempt; the connect text fits 1,400
  characters by dropping reasons, then codes, never the rule.
- The connect text follows the parties setting; "offer books.digest"
  everywhere. shown_name drops Unicode format characters (bidi, zero
  width).
- read_only_tools_change_nothing compares file contents, the database
  by every row, the vault and the settings file (raw database bytes did
  not change either; rows are the stable comparison).
- import_local_file takes the name and type from the canonical path;
  the digest's journal repair says when the tail was set aside, not the
  journal's file name; "version-history messages" back in the TIN rule;
  openWorldHint false on every tool, pinned in annotations_complete.
- Outside the MCP crate, for the same texts: ledger-core's DatedRule
  gains `authority` (the statute or publication with its address) and
  RuleNotKnown carries it; ledger-store's "sqlite error" reads "database
  error"; ledger-config's ReceiptPolicy::rule takes the base currency.
  New dev-dependency: rusqlite in ledger-mcp (already in the workspace,
  same version and features as ledger-store), to read the database's
  rows in read_only_tools_change_nothing.
- The filing scan is no TIN oracle (tin_files.rs INVARIANT 4): text
  holding more than two TIN-shaped numbers (any rendering rule (a)
  reads) that end in a known TIN's last four (the books' TIN and W-9
  facts, via known_tin_last4, before the vault is opened; then the
  vault's own) is refused with TIN_PROBE, the same words whether or not
  one is the vault's TIN; only one or two candidates are compared
  against the vault. Tests: unit
  text_probing_for_a_tin_is_refused_alike_whether_or_not_it_holds_it,
  one_or_two_candidates_are_compared_against_the_vault; over HTTP
  text_probing_for_a_tin_is_refused_alike_by_every_filing_tool.

Plan: plan/served.md P0, section 6 "Immediate hole (P0)", 4.1, 4.3, 4.9.

Review round 3. S1: a panic stops the server for every session, so no
input may reach one. Dates are four-digit years (new ledger_core::
calendar, 0001-01-01..9999-12-31): the MCP's parse_date is strict
YYYY-MM-DD, periods are bounded, last_day_of_month returns a refusal
(server and store); schedules, assets, recurring entries, periods,
documents, disposals and entries refuse dates outside the calendar, and
replay refuses such journal dates. Every amount a command takes is at
most a line's (draft lines by size, document lines, payouts, payroll,
statements, shares, tax basis, proceeds, recurring templates), on
replay too, so sums are exact; the 1099 vendor part and the K-1
property share use checked products (TooLargeToCompute); a recurring
run makes at most 1,000 drafts. tests/hostile_args.rs drives every tool
with schema-derived hostile arguments and every resource with generated
URIs, asserting the server never stops; the audit's panics are pinned.
S2: a `.` or `..` path name is refused as NO_SUCH_FILE up front. S3:
NUL-interleaved UTF-16 without a byte-order mark is scanned both ways.
S4: resource-read refusals are TIN-redacted. S5: set_w9 records its W-9
only once the call passes every check, just before the vault write.
S8: idempotentHint only on verify, run_depreciation, run_schedules,
run_recurring, set_party_roles (a repeat leaves journal and vault
alone; spec_vault checks every candidate twice); every tool's hints
pinned in one table. C1: books.settings lists receipt_required_accounts
and receipt_exempt_accounts uncut. C2: the default company name reads
"a new company". C3: the parties rule names no-party reasons. C4/C5:
the handbook names the settings file only as books.settings' books_toml,
and restores "check books.digest and offer it". C6: an import root
inside the books, data dir or vault is refused at startup. The lint
catches `just` however it ends and where the books are;
digest_resource_bare_reads reads the server's month.

Review round 4 (2026-10-17): round 3's bounds ran in replay too, so
journals main wrote and reopened (an entry dated 0000-06-01 or
+10000-01-01, a draft line of 2e15, an asset ending past 9999, a basis
or share past the line limit, sub-cent document and payroll lines) no
longer opened. Posted is forever: the bounds are the commands' only.
- Replay applies main's rule exactly: parse_date takes any date chrono
  reads; replay_add_line(_fx) has no size bound (add_line/add_line_fx
  do); replay_register_asset/correct_asset (chrono overflow only),
  replay_set_asset_tax_basis (check_journaled), replay_set_entry_parties
  (check_shares_journaled), replay_register_recurring
  (validate_recurring_journaled), replay_register_schedule (months 1 to
  600), replay_create_period (order only), replay_dispose_asset, and no
  line, date, payment or payroll range checks in replay_invoice/bill,
  their payments and replay_payroll_run.
- Derived figures over such books refuse (TooLargeToCompute,
  DateOutOfRange), never panic: amortization plans, depreciation into
  chrono's last month (and the true-up for lives past 9999), intervals,
  document totals and aging, net pay and payroll plans, money flows and
  share resolution, the asset register, receipt-policy debits; the MCP
  tools and the viewer show what can't be computed.
- tests/fixtures/old-books: the review's 13 journals, its control and 15
  more edges, written by main's Store API with main's figures
  (expected.json); every one opens in the writer and the viewer to those
  figures, every derived figure computes or refuses, every MCP tool and
  GUI page answers; hostile_args restarts the server after each
  property; each bound has a command/replay test pair.

Final review: a schedule's plan refuses a total of 10^26 or more
(TooLargeToCompute) instead of letting Decimal round its cents silently,
and a null `remaining` in the schedule output is always explained by
plan_error. Replay is unaffected: no journaled schedule month can belong
to a total that large (the line limit bounds every posted month).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01T3gXMVt7XJPi6ens1or9Dj
 2026-10-17 09:25:00 -06:00
swaitsandClaude Opus 5.5 a44a8873df Viewer: click a vault TIN to copy the full number
check / check (push) Canceled after 0s
Details 
The party page's "TIN on file" and the W-9 card's TIN copy the full,
formatted number on click (right-click: digits only). The viewer reads
it from the vault only at that moment, with the server's key file in
force, never creates a key, refuses a key inside the books dir, and
never draws more than the last four. A locked vault copies nothing and
says why.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-16 08:27:13 -06:00
swaitsandClaude Opus 5.5 ae927c3f73 Attachments, statements, reconciliations, TIN vault, counterparty policy
check / check (push) Canceled after 0s
Details 
MCP: books.link_attachment, unlink_attachment, attachments; link_to on
attach_receipt and file_document; record_statement, statements;
books.reconcile previews and, confirmed against a recorded statement,
records the reconciliation; void_reconciliation, reconciliations;
import_bank_csv links its source file; digest lists unreconciled
accounts.

TIN vault: books.set_w9 takes the TIN and the form into the encrypted
vault (last four in the books); books.vendor_1099 include_tins and
save_csv_to for the CPA's copy; books.get_w9; books.purge_tin. A leak
test scans every tool output, the journal, the database, and the blobs.

[books] parties = off | suggest | require (default suggest): every
preview names the entry's party or suggests likely ones; require refuses
to post until it names one or is marked as having none (entry.no_party).

Viewer: documents on every subject page; statements and reconciliation
history per account; reconciliation pages; reconcile and
no-counterparty attention items; party money by period (paid out,
received in, net, what for, by month); Needs attention gets its own
full-width section.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-15 15:42:37 -06:00
swaitsandClaude Opus 5.5 e265ed4339 Parties, attachment links, statements, reconciliations (store), TIN vault crate
check / check (push) Canceled after 0s
Details 
Parties: one directory for vendors, contractors, customers, employees,
members, platforms, agencies, banks, landlords (ledger-core parties.rs).
W-9/W-4 facts without the number (last four only; any nine-digit run in a
party field is refused, Treas. Reg. 301.6109-4). Vendor and customer
records link to parties on replay; core tags every bill, invoice, payment,
and reversal with its counterparty. Journal events party.*,
entry.party_set; payroll lines name the employee party.

MCP: books.add_party, update_party, set_party_roles, set_w9, set_w4,
parties, party, set_entry_party; draft_entry party; run_payroll employee;
show party. Viewer: Parties directory and party pages, search, journal
text, W-9 attention, demo data.

One definition of a party's money (ledger_core::parties::activity) for
MCP and viewer. 1099 amounts count payments from cash and financing
accounts (a member paying for the company counts; a card doesn't; a
prepayment counts when made): vendor_1099_report_with, B-19.

Store: attachment links to any subject, statements, reconciliations
(schema v11), with replay and projection. ledger-vault: encrypted TIN and
W-9 records (ChaCha20-Poly1305, key file outside the books).

Spec-blind tests for parties (core, store, MCP, viewer) and attachments.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-15 14:43:40 -06:00
swaitsandClaude Opus 5.5 ee7e205f5c Fixed assets, fully featured: tags, serials, acquisition links, label sheets, the fixed asset register, and an Assets section in the viewer; fix a flaky verify
check / check (push) Canceled after 0s
Details 
- core: asset tags (generated PREFIX-0001 or the human's own; unique ignoring case; never reused by another asset) and serial numbers (rules.md B-24); a journaled link from an asset to the entry that acquired it (posted, unreversed, debiting the cost account); fixed_asset_register(as_of), reconciled to the GL (unposted depreciation, unregistered cost)
- store: asset.tagged, asset.serial_set, asset.acquisition_linked journaled, replayed, projected (schema v9); differs_from now also compares control roles and tag history
- config: [books] asset_tag_prefix, default the company's initials without legal-form words
- import: Avery 5160/8160 label sheets with QR codes (geometry vendored from Avery, docs/spec/sources/avery-5160.md); the register as XLSX and PDF
- mcp: register_asset tags (and links) automatically; books.label_asset, books.asset_labels; asset tools take a tag; books.show asset / assets page / register report; export fixed_asset_register (json, csv, xlsx, pdf) and in the CPA package
- viewer: Assets page (register, reconciliation), asset page (identity, schedule posted vs not, entries, documents), Fixed asset register report, global search by tag/serial/description, journal text, needs-attention items
- fix: verify compared snapshot amounts as strings; a zero total summed in hash-map order could print "0" or "0.00", so agreeing books failed verify at random. Now by value (regression test)
- tests: spec-blind suites for tags, register, prefix, store, MCP; label and register PDF/XLSX tests; viewer tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-15 12:18:00 -06:00
swaitsandClaude Opus 5.5 1771d87e0e Control roles in the journal (books.assign_role, books.roles); the MCP reloads wanderbooks.toml on change and reports settings problems (books.settings, digest); new writes a full commented wanderbooks.toml
check / check (push) Canceled after 0s
Details 
- core: ControlAccount keys, Ledger::assign_role/check_assign_role/role_account (rules.md B-23): one account per role, of the role's type, balance sheet roles move only when empty; invoices, bills, payroll, remittance, and closes post to the assigned account; an assigned role frees its default code for renumbering
- store: role.assigned journaled and replayed (strict account_id)
- mcp: settings.rs reloads by content at the start of each request, keeps the last good settings on a broken edit; books.settings with chart problems; digest settings_problems; instructions say when to edit the toml
- viewer: journal text for role.assigned
- cli: full example wanderbooks.toml, tested to load with every example uncommented
- tests: spec_roles.rs (25, spec-blind), store roles.rs (6), MCP reload/problems/roles, settings unit tests

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-15 10:30:16 -06:00
swaitsandClaude Opus 5.5 9837c62117 mcp: HTTP concurrency test; state-machine suite tolerates a contended disk
check / check (push) Canceled after 0s
Details 
tests/http_concurrency.rs: six HTTP clients at once against one store
(main.rs serve_http shares it): every bare entry refused at threshold
0.00, every receipted one posted, each contested draft posted exactly
once, books verify and balance, a restart replays the same head.

spec_mcp.rs: the response timeout is 180 s (a mutation run's jobs
contend for a synced disk; the baseline timed out at 30 s), and
MCP_CASES sets the state machine's cases (just mutants-mcp uses 16).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-14 12:06:24 -06:00
swaitsandClaude Opus 5.5 9110cd888d gui: spec-blind suite; search finds the best match, axis ticks never overflow
check / check (push) Canceled after 0s
Details 
tests/spec_gui.rs (31 spec-blind tests): exact money text round-trips,
file names never escape the folder or hit a Windows device name, history
against a browser model, fuzzy search against a subsequence model, axis
ticks, the view model against ledger-core, and the attention list.

Found and fixed:
- fuzzy matched greedily, so "ac c" scored 1 for "c" (the "c" inside
  "ac") instead of 5 for the word "c"; it now scores the best alignment.
- ticks accumulated float error (a last tick at -5.55e-17 for a top of
  0), gave more than n + 2 ticks at large magnitudes with tiny spans,
  and overflowed for spans near f64's limit. Ticks are now whole
  multiples of the step, checked, with [lo, hi] when f64 has no nice step.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-14 11:39:41 -06:00
swaitsandClaude Opus 5.5 3f20df9700 config, mcp, gui: specs from sources, spec-blind suites, and the bugs they found
check / check (push) Canceled after 0s
Details 
ledger-config: parse gets a sourced spec. A fiscal year starts on the
first of a month (IRS Pub. 538); tax_classification is read by whole
words (Treas. Reg. 301.7701-3, Schedule C instructions; "business corp"
no longer reads as an S corp, "corporation or S corporation" is refused);
duplicate or blank members and shared capital accounts are refused; a
negative or non-grammatical receipt threshold is refused; codes trimmed.
tests/spec_config.rs (65 spec-blind tests, 14 properties), fuzz target
fuzz_config_parse (weekly). Mutation: 55 of 55 viable caught (from 25/38).

The receipt policy moves to ledger-config, with one loader
(effective_receipt_policy) and one decimal grammar, so the server and
the viewer enforce and show the same rule (the viewer had its own: only
expense-like debits, a silent $25 default, and no config.json).

ledger-mcp: a module spec (MCP 2025-06-18 tools, JSON-RPC 2.0, the
operating contract). Amounts in are exactly -?digits[.digits]; a number
that is one account's code and another's id (vendors, classes alike) is
refused, not guessed; the threshold is validated at startup. Fixed:
add_line with a bad class journaled the line before refusing;
profit_and_loss_by_class ignored `class`; aging buckets said "0". A wire
in front of rmcp answers malformed JSON with -32700 and invalid requests
with -32600 and their id (rmcp dropped the first, omitted the id).
tests/spec_mcp.rs (26 spec-blind tests: every tool's result against its
own outputSchema, a random-call state machine checking the journal is
untouched by every refusal, amount grammar, previews, the receipt policy).

ledger-gui: money, accounting, and dollars never round (they rounded to
cents, banker's style); export file names avoid Windows device names,
trailing dots and spaces, empty names, and 255-byte overflow; specs on
attention, history, fuzzy search, and axis ticks.

ledger-core: the lifetime profit_and_loss is renamed unclosed_earnings
(docs/testing.md #3).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-14 10:13:05 -06:00
swaitsandClaude Opus 5.5 ea180d1d8e tax summary: Schedule K items stated separately; XLSX never shows a wrong amount
check / check (push) Canceled after 0s
Details 
From the IRS form instructions (now quoted in docs/spec/sources/
irs-tax-lines.md):
- On Forms 1065 and 1120-S, Schedule K takes "only taxable portfolio
  interest", and charitable contributions are among the items the entity
  "must state separately". The tax summary counted both in ordinary
  income and deductions; they now go in TaxSummary::separately_stated,
  outside book_net and tax_net, and the report, MCP export, and viewer
  list them under "Separately stated to owners (Schedule K)".
- Schedule C: "Do not include charitable contributions". The category no
  longer applies to Schedule C (a sole proprietor's gift is personal, an
  owner draw).
- interest_income's note: interest earned in the business itself is
  ordinary income (other_income).

XLSX: a cell number is a binary double and Excel honors 15 significant
digits (Microsoft, "Excel specifications and limits"), so an amount over
$9,999,999,999,999.99 or finer than a cent is written as its exact text,
right-aligned, instead of a number Excel would show wrong. The old
conversion also fell back to 0.0 silently; gone. Property test: every
whole-cent amount up to 15 digits round-trips exactly.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-13 20:57:00 -06:00
swaitsandClaude Opus 5.5 2cbb6a263f store: benchmarks at 10k entries on disk
check / check (push) Canceled after 0s
Details 
benches/store.rs (criterion, in `just bench`): open 249 ms, viewer load
616 ms, full verify 809 ms, post one entry (four synced appends) 62 ms.
The books are built on a temp dir and copied under target/ so every
sync hits a real disk. Baselines in docs/testing.md; no budget, by
decision.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-13 19:06:11 -06:00
swaitsandClaude Opus 5.5 c539004d1a test: fuzzing, Miri, benchmarks, CI, and a strategy note; the journal refuses floats
check / check (push) Canceled after 0s
Details 
Max-testing pass, ranks 4-6 and step 9 for ledger-core.

Fuzzing (rank 4): fuzz_op_sequence now drives balanced pairs, foreign
lines, periods, closes, and amounts from raw decimal bits, and asserts
the books stay valid (TB balances, posted entries validate, no draft in
a closed period); new fuzz_core_serde (every persisted core type
round-trips) and fuzz_store_open (a corrupt journal is an error, never a
panic); hangs count (-timeout=10). 54M executions; one crash:
- fuzz_journal_line: a number too big for an integer parsed as a float,
  and its canonical form (which the hash chain covers) re-canonicalized
  differently. The journal never holds floats (R-2), so the reader now
  refuses them (JournalLine::parse, used by every journal reader);
  regression a_journal_line_with_a_float_is_refused. Checked first: the
  real books' journal has none. Rerun: 13.2M executions, clean.
Seeds in fuzz/seeds/ (synthetic, minimal); the grown corpora stay out of
git. `just fuzz <target> <seconds>`.

Miri (rank 4): the core's unit, bridge, and invariant tests under Miri
(our code has no unsafe; rust_decimal and chrono do): no undefined
behavior. `just miri`. A pinned nightly (nightly-2026-10-01, with miri)
is now in mise.toml.

Benchmarks (rank 6): criterion (new dev-dependency: the playbook's Rust
benchmark tool; none existed) in benches/books.rs; baselines in
docs/testing.md. The store's per-command rehearsal clone costs ~1 ms at
10k entries. No budget yet, so nothing gates on them. `just bench`.

CI: .github/workflows/check.yml runs `just check` on every push;
scheduled.yml runs proofs, the GnuCash oracle, fuzzing, and mutation
weekly. Tools come from mise.toml.

docs/testing.md: every layer, its oracle rank, command, runtime, and
gate; benchmark baselines; the ASSUMED invariants for Stephen to reject;
the gap list with triggers. docs/oracle.md's fuzzing paragraph had
claimed persistent corpora that didn't exist; corrected.

Also: ledger-import now inherits the workspace lints (nightly cargo
warned).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-13 15:09:22 -06:00
swaitsandClaude Opus 5.5 a09c1fb218 fix(store,core): a refused command never reaches the journal; reversal rules 
Max-testing pass, step 2 (rank 1 regressions + a rank 2 law). Two ways
to make the books unopenable, both found by test, both fixed:

1. Reversing into a closed period: the store journaled `entry.reversed`,
   then the engine refused it at post. Replay could never apply that
   line, so Store::open failed ("period 1 is closed"). Regression:
   reversal_into_a_closed_period_is_refused_before_journaling.
2. An oversized invoice (or any command whose hand-written store
   pre-checks lagged the engine, here the new line range) journaled,
   then failed in the engine. Found by the new property
   refused_commands_never_reach_the_journal within 4s.

The fix is structural, not another hand-written check: every
journal-first store command now rehearses on a scratch clone of the
ledger (`Store::rehearse`), so whatever the engine refuses is refused
before the journal, now and after any future engine change. The
create_entry rehearsal uses the checked constructor: no draft is ever
dated in a closed period (the Lean invariant Inv.draftsOpen, which the
store had bypassed).

The property (1,000 random command sequences, heavy on refusals)
asserts, after every command: a refusal leaves the journal
byte-identical; every posted entry validates; the trial balance
balances; no draft sits in a closed period; and the books reopen and
verify at the end. Shown to have teeth: removing the create_entry
rehearsal makes it fail and shrink to open-period, close, draft.

Engine (spec confirmed by Stephen, 2026-10-13), Ledger::check_reversal,
a pure pre-check that reverse_entry and the store share:
- an entry is reversed at most once (EntryAlreadyReversed); reversing
  the reversal re-instates it;
- a closing entry is never reversed (ClosingEntryIrreversible);
- a refused reversal leaves no trace (it used to leave a draft and
  burn an id).

Specs go in doc comments as a ```text GOAL/INVARIANTS/SCENARIOS block.
New dev dependency: proptest for ledger-store (already the workspace's
property library).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-13 11:40:50 -06:00
swaitsandClaude Opus 5.5 a6566e801f Cargo.lock: ledger-gui depends on ledger-import 
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01GWVo7x3UHw5kwCUaWxiejX
 2026-10-12 20:14:45 -06:00
swaitsandClaude Opus 5.5 714867ed58 feat: one-command onboarding — wanderbooks new, install.sh, justfile 
wanderbooks new DIR installs the server and GUI if missing, writes the
books dir (AGENTS.md + CLAUDE.md, wanderbooks.toml, justfile, .mcp.json,
.claude/settings.json approving the server), commits, and starts claude
onboarding. install.sh: Rust + cargo install + wanderbooks new in one
line. The tax summary labels its net when accounts are uncategorized.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
 2026-10-12 16:29:29 -07:00
swaitsandClaude Opus 5.5 105fd52694 feat: ledger-gui — a read-only, live desktop view of the books 
egui/wgpu app for owners and their accountant: Overview, Cash, Profit,
Transactions (with rendered receipts and journal history), Reports
(statements with interval columns, comparisons, drill-down), Accounts,
Documents, Company, Journal; Ctrl+K palette; back/forward; light/dark.
Follows the journal live (~30 ms from write to screen). --demo opens a
deterministic demo company, also used for screenshot tests.

Engine: ledger-store Snapshot (read-only, incremental, tolerant of a
half-written tail); ledger-core analysis (intervals, balance series,
P&L by interval, cash flows); ledger-config extracted from ledger-mcp
with the full company profile and cash_accounts.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
 2026-10-12 16:20:14 -07:00
swaitsandClaude Opus 5.5 8f623ba810 feat: canonical report set in QuickBooks-style presentation 
Every report a CPA expects, laid out the way US small-business books
read (QuickBooks as the reference):

- Exports: books.export gains general_ledger (by account, running
  balances, splits), general_journal (the entry-ordered listing, which
  the CPA package used to mislabel "general ledger"; alias journal),
  members_equity, and trial_balance as of a date, in xlsx/csv/json, and
  PDF for all five statements (P&L, balance sheet, cash flow, trial
  balance, members' equity). books.trial_balance takes as_of.
- CPA package: every statement as PDF and XLSX, plus the general ledger
  and general journal, all for the fiscal year to date.
- Layout (ledger-import::report): multi-column statements (Total;
  Debit/Credit; one column per member plus Total), "$" on subtotals and
  totals, a rule above every sum (none over an empty section), a double
  rule under statement totals, zero as 0.00, negatives in parentheses
  with the closing paren hanging so decimal points align.
- Terms: "Net income (loss)"; for a multi-member LLC, "Members' equity",
  member contributions and distributions named in the cash flow, and the
  balance sheet splitting retained earnings (the Retained Earnings
  account plus earnings not yet closed from earlier years) from the
  fiscal year's net income (loss); the cash flow's "Adjustments to
  reconcile net income (loss) to net cash from operating activities" and
  "Net increase (decrease) in cash".
- PDF: Inter replaces the typst-assets serif fonts (bundled, SIL OFL 1.1,
  license in fonts/; from the official v4.1 release), centered title
  block, column-header row, full-width rules, footer "Accrual basis ·
  Prepared <date> · Journal seq N" with page numbers. Amounts on total
  rows stay regular weight so bold figures can't leave the decimal
  column. typst-assets dependency removed.
- XLSX: centered title block, header row, Excel accounting formats with
  "$" attached on sums, general ledger and general journal workbooks.
- Config: wanderbooks.toml [[company.members]] (name, share "50%" or
  "0.5", capital_account; shares must total 100%) and [books]
  accounting_basis (accrual | cash).
- Core: RETAINED_EARNINGS_CODE names the "3999" that period close uses.
- Fix: "today" is local time, not UTC; in US evenings UTC is tomorrow,
  so reports defaulting to "through today" included the next day and
  footers carried the wrong date.

Tests: layout (currency and rule placement, retained earnings vs. this
year's net income for a member LLC, footer text); exact template data;
deterministic PDFs; config parsing (members, shares, basis); stdio:
trial balance as of, February general ledger (beginning 1,004.00, splits,
ending 1,003.50), members' equity (contributions 1,000.00, net income
3.50, ending 1,003.50), members' equity PDF, the CPA package's ten files.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
 2026-10-11 20:29:12 -07:00
swaitsandClaude Opus 5.5 03212265ce feat: Typst-typeset statements in US accounting format 
The printpdf statements padded columns with spaces in a proportional font
(amounts didn't line up), had no company name, printed negatives as
"-207.68", and put everything on one page (a long statement was silently
cut off past ~70 lines). Now:

- PDFs are typeset by Typst from one template,
  ledger-import/templates/statement.typ. The laid-out statement goes in as
  JSON data (sys.inputs), so account names are never parsed as markup.
  Fonts are bundled (typst-assets: Libertinus Serif), so output doesn't
  depend on the machine and is byte-for-byte deterministic. Statements
  paginate, with the company/title repeated on later pages and "Page n of
  m" plus "Prepared from journal through seq N" in the footer.
- US accounting presentation, decided once in ledger-import::report and
  applied by both PDF and XLSX: tabular figures; "$" on each section's
  first amount and on every subtotal and total, pinned to the column's
  left edge; negatives in parentheses with the closing paren hanging (its
  width reserved on every row, so decimal points align); zero as a dash;
  a single rule above sums (none over an empty section) and a double rule
  under statement totals; amounts never bold, because bold figures are
  wider and would leave the decimal column. XLSX uses Excel's own
  Accounting formats for the same result.
- Cash flow: "Net change in cash" is a subtotal; only "Cash at end of
  period" takes the double rule.
- Core fix: cash_flow walked the chart in HashMap order, so the order of
  working-capital and financing lines could change between runs. Lines
  now follow account code. Test: five owners, twenty runs, always
  3000/3001/3003/3005/3009; fails without the sort.

New dependencies (ledger-import): typst, typst-layout, typst-pdf,
typst-assets (fonts), typst-as-lib (World/font plumbing), serde_json (the
template's data). Removed: printpdf. Release ledger-mcp grows by the
bundled fonts.

Tests: exact template data for a hand-built P&L (like a golden); same
statement renders to identical bytes; 200 rows of Typst markup
characters render literally and span several pages; currency-sign and
rule placement; amount splitting.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
 2026-10-11 19:23:01 -07:00
swaitsandClaude Opus 5.5 b5af21bb0e feat: real dates and per-account detail in every statement export 
Every statement export rendered life-of-ledger totals under whatever date
range or as-of label was asked for, and the P&L and balance sheet XLSX
were totals-only. Now:

- books.profit_and_loss / books.balance_sheet and the csv, json, xlsx,
  pdf exports and CPA package all use core's profit_and_loss_for_period
  and balance_sheet_as_of, with a line per account. The tools keep their
  totals and add revenue/expense/asset/liability/equity account lines.
  An omitted start is the first posted entry, never "0001-01-01".
- ledger-import::report lays a statement out once (section, line,
  subtotal, total) for every renderer, with one exact amount formatter:
  thousands separators, negatives in parentheses, no floats. XLSX keeps
  numeric cells with an accounting number format, named sheets, company
  header, totals with borders; the trial balance gains its totals row.
- ledger-mcp reads wanderbooks.toml (next to --data-dir, or
  --books-toml): company name for headers, fiscal_year_start for the CPA
  package's fiscal year to date (end derived; Feb 29 rejected), and
  [books] receipt_threshold, which the server had been ignoring.
  config.json's receipt_policy still wins when set. New dependency: toml
  1.x (already in the lockfile via another crate).
- Store::journal_seq(); every report notes the journal seq it reflects.

Tests: company.rs unit tests (fiscal years incl. a July start, scaffold
parsing, bad settings); report.rs formatting tests; an MCP stdio test with
--books-toml (threshold 5.00 enforced, February-only P&L with account
lines, start defaults to the first entry, as-of balance sheet).

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01MtYEaR6M6Ybdhm6X98BWNu
 2026-10-11 19:11:36 -07:00
swaits 296818f73c feat: lockfile for ledger-cli deps 2026-10-12 01:07:07 +00:00
swaits fac7d681e4 asset slice + testing initiative: fixed assets, property/mutation/fuzz testing, docs 2026-10-11 02:24:57 +00:00
swaits 2c22024abd First slice: ledger-store (journal+blobs+sqlite) and ledger-mcp (18 tools, receipt policy) 2026-10-11 01:37:01 +00:00