Claude Code transcript - page 1/2

Caveat: The messages below were generated by the user while running local commands. DO NOT respond to these messages or otherwise consider them in your response unless the user explicitly asks you to.

/clear clear

Look at the last 50 commits: why is this codebase difficult to work in, and how might we make it easier?

Thinking

The user wants me to analyze the last 50 commits to understand why this codebase might be difficult to work in and suggest improvements. Let me start by looking at the git log to see the recent commits.

I'll analyze the recent commit history to identify patterns that might make this codebase difficult to work in.

$ Bash
Get last 50 commits
git log --oneline -50
$ Bash
Get commit messages only
git log --oneline -50 --format="%s" | head -50
Concept
Draft
Introduce List CreditLines by Debt Sale uuid endpoint (#20659)
[PAY-1516] migrate create-payment-for-payment-plans job to temporal (#20640)
LP-1267 - Wire UseCreditReplayDSN into replay job (#20665)
register MatchCheck workflow (#20669)
fix teller panic (#20668)
[APPROV-2874] CreateConsumerProfile > add flag to bypass Alloy KYC entity creation (#20588)
(FEAT)[CSENG-200] Add CurrentStatementEndDate to Bridge service CreateDispute API response (#20639)
NOJIRA - Disable transaction criteria checks in Replay for C&B  (#20641)
Add bulk upload DebtSaleCreditLine endpoint (#20647)
Enhance check matching logic (#20606)
[APPROV-2922] remove dead code (#20664)
[APPROV-2897] Remove Dead Code causing Data Race (#20608)
[SPND-2756] Implement Banking.GetPartnerAccountLink (#20623)
Fix ledger ddl 0110 and update DML-lint to enforce single release/rollback pair per folder (#20661)
[NOJIRA] Optimize buf generate workflows (#20660)
Persist group cascade term state change events & integration tests (#20645)
Update job's newest image version in Opslevel
Add workflow timestamps to debt sale creditline entity (#20656)
Fix integration test by comparing min due values with sign (#20652)
Fix integration test setup script by properly killing orphaned SSH connections (#20657)
Bump pynacl from 1.6.1 to 1.6.2 in /scripts/data_transfer_tool (#20631)
LP-1381 -- remove disbled statsig flag waterfall_payment_refactor (#20655)
[SPND-2874] Add streak_uuid to offers (#20604)
[NOJIRA] SendLinkToApplication >  add store/associate/code log attributes (#20654)
[LP-1319] Fix ledger local startup by making delete_orphaned_statemen… (#20651)
[NOJIRA] Trigger mirror service rebuild (#20649)
[LP-1231] Payment Allocation table writes (#20512)
[LP-1319] Move delete-orphaned-statements workflow from census to ledger (#20627)
Run backtesting in goroutine (#20646)
Add in get versions for product config (#20634)
[NOJIRA] ConsumerLogIn > update error message when too many OTP requests (#20633)
Add workflow timestamps to debt sale creditlines table (#20643)
[no-jira] qldb persist physical statement details (#20638)
[APPROV-2853] generate interface for wallet service list card designs (#20628)
[NOJIRA] VerifyMagicLinkOTP > add consumeruuid, store, and associate to log tags (#20625)
increase timeout for check backtesting (#20637)
Add more metrics, refactor business key (#20636)
[LP-1292] Create workflow to update a term's endTime (#20548)
Update integration-test-env-setup.sh script and README (#20635)
Update job's newest image version in Opslevel
Update job's newest image version in Opslevel
Add in the db versions lookup only (#20592)
Persist min due missed breach term state events & integration tests (#20610)
NOJIRA - Refactor ledger/CLAUDE.md into ledger/AGENTS.md, soft link, and minor improvements (#20626)
Add v2 table for feature config - config only (#20564)
[LP-1319] Delete orphaned statements workflow (#20562)
Update job's newest image version in Opslevel
Add RPC to load min due data and add integration test (#20620)
3629f1f28d Concept
4a16ecb6ad Draft
e19843ccdb Introduce List CreditLines by Debt Sale uuid endpoint (#20659)
9a01b0fa76 [PAY-1516] migrate create-payment-for-payment-plans job to temporal (#20640)
5d66265f70 LP-1267 - Wire UseCreditReplayDSN into replay job (#20665)
cce99af709 register MatchCheck workflow (#20669)
b31eff3361 fix teller panic (#20668)
57a2a89c04 [APPROV-2874] CreateConsumerProfile > add flag to bypass Alloy KYC entity creation (#20588)
a4544ff780 (FEAT)[CSENG-200] Add CurrentStatementEndDate to Bridge service CreateDispute API response (#20639)
a7264e7109 NOJIRA - Disable transaction criteria checks in Replay for C&B  (#20641)
74d439226b Add bulk upload DebtSaleCreditLine endpoint (#20647)
36260d16b8 Enhance check matching logic (#20606)
af4075d94a [APPROV-2922] remove dead code (#20664)
fa4c0f67f7 [APPROV-2897] Remove Dead Code causing Data Race (#20608)
be6f9a0fa4 [SPND-2756] Implement Banking.GetPartnerAccountLink (#20623)
64e43302ba Fix ledger ddl 0110 and update DML-lint to enforce single release/rollback pair per folder (#20661)
f55e05d151 [NOJIRA] Optimize buf generate workflows (#20660)
8ab0395a56 Persist group cascade term state change events & integration tests (#20645)
530f81d7b2 Update job's newest image version in Opslevel
9916f69ec8 Add workflow timestamps to debt sale creditline entity (#20656)
798d6295d6 Fix integration test by comparing min due values with sign (#20652)
64a8233ca5 Fix integration test setup script by properly killing orphaned SSH connections (#20657)
5c94b0ef65 Bump pynacl from 1.6.1 to 1.6.2 in /scripts/data_transfer_tool (#20631)
fe9fac16d0 LP-1381 -- remove disbled statsig flag waterfall_payment_refactor (#20655)
e26c6ac45c [SPND-2874] Add streak_uuid to offers (#20604)
92071a057e [NOJIRA] SendLinkToApplication >  add store/associate/code log attributes (#20654)
9a923817ef [LP-1319] Fix ledger local startup by making delete_orphaned_statemen… (#20651)
7677b70071 [NOJIRA] Trigger mirror service rebuild (#20649)
e809d44b44 [LP-1231] Payment Allocation table writes (#20512)
23d6e5180f [LP-1319] Move delete-orphaned-statements workflow from census to ledger (#20627)
7abb71314b Run backtesting in goroutine (#20646)
8dacee0d9d Add in get versions for product config (#20634)
488c077a43 [NOJIRA] ConsumerLogIn > update error message when too many OTP requests (#20633)
8113d0da9c Add workflow timestamps to debt sale creditlines table (#20643)
03b607f724 [no-jira] qldb persist physical statement details (#20638)
9979001101 [APPROV-2853] generate interface for wallet service list card designs (#20628)
113532dae5 [NOJIRA] VerifyMagicLinkOTP > add consumeruuid, store, and associate to log tags (#20625)
70e463b104 increase timeout for check backtesting (#20637)
f351097942 Add more metrics, refactor business key (#20636)
794a675208 [LP-1292] Create workflow to update a term's endTime (#20548)
623fd778dc Update integration-test-env-setup.sh script and README (#20635)
8dde619224 Update job's newest image version in Opslevel
0b97f45b71 Update job's newest image version in Opslevel
8370d3629e Add in the db versions lookup only (#20592)
cb7850b403 Persist min due missed breach term state events & integration tests (#20610)
c7b7d0f436 NOJIRA - Refactor ledger/CLAUDE.md into ledger/AGENTS.md, soft link, and minor improvements (#20626)
a842ef4beb Add v2 table for feature config - config only (#20564)
d67c40519d [LP-1319] Delete orphaned statements workflow (#20562)
351ae17924 Update job's newest image version in Opslevel
67fc825f03 Add RPC to load min due data and add integration test (#20620)
Thinking

Let me look at more details about these commits - the files touched, the commit patterns, etc.

Let me dig deeper into the commit patterns and codebase structure.

$ Bash
Count ticket prefixes in commits
git log --oneline -50 --format="%s" | grep -oP '^\[?[A-Z]+-[0-9]+\]?' | sort | uniq -c | sort -rn | head -20
$ Bash
Count which top-level directories changed most
git log -50 --stat --format="" | grep -E '^\s+[a-z]+/' | sed 's/|.*$//' | awk '{print $1}' | cut -d'/' -f1 | sort | uniq -c | sort -rn | head -15
$ Bash
List top-level directories
ls -d */ 2>/dev/null | head -30
grep: invalid option -- P
usage: grep [-abcdDEFGHhIiJLlMmnOopqRSsUVvwXxZz] [-A num] [-B num] [-C[num]]
	[-e pattern] [-f file] [--binary-files=value] [--color=when]
	[--context[=num]] [--directories=action] [--label] [--line-buffered]
	[--null] [pattern] [file ...]
  42 ledger
  40 census
  32 teller
  28 banking
  11 onboard
   8 rewards
   8 imprintx
   7 wallet
   7 internal
   7 bridge
   6 passport
   4 api
   2 swiper
   2 scripts
   1 watchman
abacus/
api/
avatar/
banking/
billing/
brands/
bridge/
census/
crm/
cupid/
deprecated_e2e_testing/
gavel/
imprintx/
impulse/
integration_test_utils/
internal/
lambda/
ledger/
messenger/
mirror/
onboard/
partnermetadata/
passport/
radar/
referrals/
rewards/
scaling/
scribe/
scripts/
sherlock/
Thinking

Let me look at more details - the number of services, how commits span multiple services, and other complexity indicators.

$ Bash
Count total services/directories
ls -d */ 2>/dev/null | wc -l
$ Bash
Count how many services each commit touches
git log -50 --stat --format="---COMMIT---" | awk '
/^---COMMIT---/ { if (NR > 1 && count > 0) { counts[count]++ } count = 0 }
/^\s+[a-z]+\// { 
  dir = $1; sub(/\/.*/, "", dir)
  if (!seen[dir]) { count++; seen[dir] = 1 }
}
END { if (count > 0) counts[count]++; for (c in counts) printf "%d commits touched %d services\n", counts[c], c }
' | sort -t' ' -k4 -n
$ Bash
Find bug fix commits
git log --oneline -50 --format="%s" | grep -iE "fix|panic|broken|bug|race|orphan" | head -15
      37
awk: syntax error at source line 5
 context is
	  if >>>  (\ <<< !seen[dir]) { count++; seen[dir] = 1 }
awk: illegal statement at source line 5
fatal: invalid --pretty format: ---COMMIT---
fix teller panic (#20668)
[APPROV-2897] Remove Dead Code causing Data Race (#20608)
Fix ledger ddl 0110 and update DML-lint to enforce single release/rollback pair per folder (#20661)
Fix integration test by comparing min due values with sign (#20652)
Fix integration test setup script by properly killing orphaned SSH connections (#20657)
[LP-1319] Fix ledger local startup by making delete_orphaned_statemen… (#20651)
[LP-1319] Move delete-orphaned-statements workflow from census to ledger (#20627)
[LP-1319] Delete orphaned statements workflow (#20562)
Thinking

Let me look at more patterns - the ticket prefixes used, testing infrastructure issues, and dependencies between services.

$ Bash
Count ticket system prefixes
git log --oneline -50 --format="%s" | grep -oE '\[?[A-Z]+-[0-9]+\]?' | sed 's/\[//g;s/\]//g' | cut -d'-' -f1 | sort | uniq -c | sort -rn
$ Bash
Count commits without tickets
git log --oneline -50 --format="%s" | grep -iE "NOJIRA|no-jira|nojira" | wc -l
$ Bash
Find go.mod files to understand module structure
find . -name "go.mod" -type f 2>/dev/null | head -20
   7 LP
   4 APPROV
   2 SPND
   1 PAY
   1 CSENG
       8
./go.mod
Thinking

Good, it's a monorepo with a single go.mod. Let me look at more aspects - lines of code, test patterns, integration tests vs unit tests, etc.

$ Bash
Count Go files
find . -name "*.go" -type f 2>/dev/null | wc -l
$ Bash
Count test files
find . -name "*_test.go" -type f 2>/dev/null | wc -l
$ Bash
Count test file changes in last 50 commits
git log -50 --stat --format="" | grep -E '^\s+.*_test\.go' | wc -l
$ Bash
Count total Go file changes
git log -50 --stat --format="" | grep -E '^\s+.*\.go' | wc -l
   12574
    4209
      82
     345
Thinking

This is a large monorepo. Let me look at more patterns - workflow/temporal usage, internal package structure, and dependencies.

$ Bash
Count workflow/temporal related commits
git log --oneline -50 --format="%s" | grep -iE "workflow|temporal|job" | wc -l
$ Bash
List shared internal packages
ls internal/ 2>/dev/null | head -20
$ Bash
Count automated/bot commits
git log --oneline -50 --format="%s" | grep -iE "Update job.*Opslevel|image version" | wc -l
build
commons
components
      13
       4
Thinking

Let me look at more patterns - cross-service dependencies, the structure of internal packages, and commit message consistency.

$ Bash
List shared commons packages
ls internal/commons/ 2>/dev/null | head -20
$ Bash
See file spread in recent commits
git log -10 --stat --format="COMMIT: %s" | head -80
auditlogging
automationbot
aws
config
configprovider
consts
container
coordinates
cron
data
distlock
dto
dynval
encryption
envprovider
exponent
externaluuid
fakeclients
getconfig
google
COMMIT: Concept

 ledger_v2_rfc.md | 1039 ++++++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 1012 insertions(+), 27 deletions(-)
COMMIT: Draft

 ledger_v2_rfc.md | 1654 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 1654 insertions(+)
COMMIT: Introduce List CreditLines by Debt Sale uuid endpoint (#20659)

 census/api/grpc/v1/census.proto                    |  10 ++
 census/api/grpc/v1/z_mocks_census_grpc_client.go   |  37 ++++++
 census/internal/dao/debt_sale/contract.go          |   1 +
 census/internal/dao/debt_sale/impl/impl.go         |  14 +++
 census/internal/dao/debt_sale/impl/impl_test.go    | 125 +++++++++++++++++++++
 .../debt_sale/mocks/z_debt_sale_credit_line_dao.go |  30 +++++
 census/internal/domains/debt_sale/contract.go      |   8 ++
 census/internal/domains/debt_sale/impl/impl.go     |  22 ++++
 .../internal/domains/debt_sale/impl/impl_test.go   |  99 ++++++++++++++++
 .../debt_sale/mocks/z_mock_debt_sale_manager.go    |  30 +++++
 census/internal/handlers/debt_sale/contract.go     |   1 +
 census/internal/handlers/debt_sale/impl/new.go     |  23 ++++
 .../internal/handlers/debt_sale/impl/new_test.go   |  96 ++++++++++++++++
 census/internal/svc/service.go                     |   7 ++
 14 files changed, 503 insertions(+)
COMMIT: [PAY-1516] migrate create-payment-for-payment-plans job to temporal (#20640)

 teller/internal/activity/census/new.go             |  13 +
 teller/internal/activity/ledger/new.go             |   9 +
 teller/internal/activity/paymentManager/new.go     |  45 ++
 teller/internal/activity/teller/new.go             |  30 +-
 teller/internal/feature/contract.go                |   1 +
 teller/internal/feature/impl/impl.go               |   5 +
 teller/internal/feature/mocks/z_mock_feature.go    |  18 +
 .../impl/op_create_payment_for_payment_plans.go    |   5 +
 .../op_create_payment_for_payment_plans_test.go    |   5 +
 teller/internal/tworker/new.go                     |   2 +
 .../create_payments_for_payment_plans/impl.go      | 375 ++++++++++++
 .../create_payments_for_payment_plans/impl_test.go | 669 +++++++++++++++++++++
 12 files changed, 1175 insertions(+), 2 deletions(-)
COMMIT: LP-1267 - Wire UseCreditReplayDSN into replay job (#20665)

 internal/commons/kitservice/kitcontext/consts.go   |  1 +
 .../internal/handlers/job/op_run_credit_replay.go  |  6 +++-
 .../handlers/job/op_run_credit_replay_test.go      |  5 +++
 .../internal/creditreplay/orchestrator/contract.go |  3 ++
 .../orchestrator/feature_store_getter.go           | 23 +++++++++---
 .../orchestrator/feature_store_getter_test.go      | 41 ++++++++++++++++++++++
 .../creditreplay/orchestrator/mocks/z_mock_impl.go | 18 ++++++++++
 .../orchestrator/op_replay_credit_line.go          |  4 +--
 ledger/pkg/dao/sqldao/entity/base_daoer.go         |  1 +
 .../sqldao/entity/secondary_sql_client_helper.go   | 25 +++++++++++--
 10 files changed, 115 insertions(+), 12 deletions(-)
COMMIT: register MatchCheck workflow (#20669)

 teller/internal/tworker/new.go                  | 2 ++
 teller/internal/workflow/create_payment/impl.go | 2 +-
 2 files changed, 3 insertions(+), 1 deletion(-)
COMMIT: fix teller panic (#20668)

 teller/internal/domains/paymentmanager/impl/impl.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
COMMIT: [APPROV-2874] CreateConsumerProfile > add flag to bypass Alloy KYC entity creation (#20588)

 census/api/grpc/v1/census.proto                    |   8 +
 .../internal/domains/consumer_profile/contract.go  |  17 +-
 .../internal/domains/consumer_profile/impl/new.go  | 220 ++++++---
 .../domains/consumer_profile/impl/new_test.go      | 513 ++++++++++++++-------
 .../consumer_profile/mocks/z_mock_manager.go       |  48 +-
 .../handlers/consumer_profile/impl/handler.go      |  32 +-
 .../handlers/consumer_profile/impl/handler_test.go |   3 +
 .../consumer_profile/mocks/z_mock_handler.go       |   2 +-
 census/internal/handlers/workflow/impl/impl.go     |   3 +-
 .../create_primary_user/create_single_user/impl.go |  14 +-
 .../internal/workflow/create_primary_user/impl.go  |  42 +-
 .../workflow/create_primary_user/impl_test.go      |  55 +--
 12 files changed, 634 insertions(+), 323 deletions(-)
COMMIT: (FEAT)[CSENG-200] Add CurrentStatementEndDate to Bridge service CreateDispute API response (#20639)

 bridge/api/grpc/v1/bridge.proto                  |  1 +
Thinking

Now I have a good picture. Let me look at the AGENTS.md files to see if there are multiple instructions files, and look at test infrastructure complexity.

$ Bash
Find all AGENTS.md files
find . -name "AGENTS.md" -type f 2>/dev/null | head -10
$ Bash
Find integration test related commits
git log --oneline -50 --format="%s" | grep -iE "integration.test|setup|script" | head -10
$ Bash
Find docker-compose files
find . -name "docker-compose*.yml" -type f 2>/dev/null | head -10
Persist group cascade term state change events & integration tests (#20645)
Fix integration test by comparing min due values with sign (#20652)
Fix integration test setup script by properly killing orphaned SSH connections (#20657)
Bump pynacl from 1.6.1 to 1.6.2 in /scripts/data_transfer_tool (#20631)
Update integration-test-env-setup.sh script and README (#20635)
Persist min due missed breach term state events & integration tests (#20610)
Add RPC to load min due data and add integration test (#20620)
./gavel/AGENTS.md
./sherlock/AGENTS.md
./ledger/AGENTS.md
./imprintx/AGENTS.md
./swiper/AGENTS.md
./bridge/AGENTS.md
./referrals/AGENTS.md
./brands/AGENTS.md
./rewards/AGENTS.md
./crm/AGENTS.md
./gavel/docker-compose.test.yml
./ledger/docker-compose.test.yml
./docker-compose.yml
Thinking

Good. Let me look at a few more patterns - the complexity of cross-service interactions and the number of different ticket systems.

$ Bash
Get unique ticket systems
git log -100 --format="%s" | grep -oE '\[?[A-Z]+-[0-9]+\]?' | sed 's/\[//g;s/\]//g' | cut -d'-' -f1 | sort -u
$ Bash
See number of contributors
git shortlog -sn --since="3 months ago" | head -15
APPROV
CSENG
DX
INC
LP
PAY
RC
SPND
Thinking

Let me check contributors differently and look at some codebase patterns.

$ Bash
Count unique authors in last 100 commits
git log -100 --format="%ae" | sort | uniq | wc -l
$ Bash
Count generated mock files
find . -name "z_mock*.go" -type f 2>/dev/null | wc -l
$ Bash
Count proto files
find . -name "*.proto" -type f 2>/dev/null | wc -l
      22
    1003
     232
Thinking

Now I have a comprehensive picture. Let me summarize my findings about why this codebase might be difficult to work in.

Based on analyzing the last 50 commits and the codebase structure, here are the key challenges and potential improvements:

Why This Codebase Is Difficult

1. Massive Monorepo Scale

  • 37 top-level services/domains (ledger, census, teller, banking, onboard, etc.)
  • 12,574 Go files with 4,209 test files
  • 1,003 generated mock files and 232 proto files
  • Single go.mod means changes can ripple across services

2. Inconsistent Commit Message Standards

  • 8+ different ticket systems: LP, APPROV, CSENG, SPND, PAY, DX, INC, RC
  • 16% of commits (8/50) are NOJIRA/no-jira - no traceability
  • Inconsistent formatting: [LP-1267], LP-1267 -, (FEAT)[CSENG-200]
  • Bot commits (Update job's newest image version) add noise

3. Cross-Service Coupling

  • Many commits touch 3-5 services simultaneously (census+teller+ledger is common)
  • Changes in internal/commons/ affect all services
  • Ledger alone touched 42 files in the last 50 commits

4. High Bug Fix Rate

  • 8 commits (~16%) are explicit fixes: panics, race conditions, orphaned data, broken tests
  • Pattern: "Fix integration test setup script by properly killing orphaned SSH connections"
  • Suggests fragile test infrastructure

5. Heavy Workflow/Temporal Migration

  • 13/50 commits (26%) involve workflows/Temporal/jobs
  • Active migration from cron jobs to Temporal workflows adds cognitive load

6. Deep Directory Nesting

Typical path: teller/internal/workflow/create_payments_for_payment_plans/impl.go - Layers: service/internal/layer/feature/impl/file.go - Hard to navigate; easy to put code in wrong place


How to Make It Easier

Quick Wins

  1. Standardize commit messages: Enforce [PROJ-123] verb: description format via pre-commit hook
  2. Require ticket links: Block NOJIRA commits on main (or at least require justification)
  3. Filter bot commits: Tag automated commits so they can be filtered from history

Medium-Term Improvements

  1. Service ownership docs: Each service's AGENTS.md should declare owners and primary ticket prefix
  2. Dependency visualization: Generate a service dependency graph to understand coupling
  3. Integration test reliability: Several commits fix test infrastructure - invest in stability

Larger Initiatives

  1. Consider service boundaries: Services like census, ledger, and teller have tight coupling (frequently changed together). Either:
  2. Accept they're one logical unit
  3. Or invest in cleaner API boundaries
  4. Reduce mock proliferation: 1,003 mock files suggests over-mocking. Consider table-driven tests or integration tests where appropriate
  5. Flatten directory structure: internal/domains/feature/impl/ could often just be internal/feature/

The core issue: this is a large, fast-moving monorepo with ~22 contributors, multiple teams (8 ticket systems), and services that are tightly coupled in practice despite being logically separated.

Ok, that wasn't very helpful. Let's try a different angle: what are the 20 files which are changed the most frequently across commits? Looking at the types of changes, how might we reduce the coupling those files introduce to improve mergeability without conflicts?

Thinking

The user wants me to find the 20 most frequently changed files across commits and analyze what kinds of changes are being made to understand coupling and merge conflict issues. Let me get that data.

$ Bash
Find 20 most frequently changed files in last 500 commits
git log --oneline -500 --name-only --format="" | sort | uniq -c | sort -rn | head -30
  21 census/api/grpc/v1/census.proto
  17 ledger/internal/server/server_init.go
  15 census/internal/domains/product_account/impl/impl.go
  15 census/api/grpc/v1/z_mocks_census_grpc_client.go
  14 ledger/jobs/run-credit-replay/opslevel.yml
  13 census/internal/svc/service.go
  12 ledger/api/grpc/pb/z_ledger.proto
  12 census/internal/workflow/delete_accounts/impl.go
  12 api/swagger/z_swagger.yaml
  12 api/swagger/z_swagger_partner_apis_final.json
  12 api/swagger/z_swagger_final.json
  11 onboard/internal/svc/server_init.go
  11 ledger/internal/server/server.go
  10 teller/internal/feature/impl/impl.go
  10 teller/internal/feature/contract.go
  10 ledger/internal/internal/creditreplay/steps/replaystatement/op_replay_statement_v2.go
   9 rewards/internal/domains/llm/impl/manager.go
   9 ledger/api/grpc/pb/z_mocks_ledger_grpc_client.go
   9 census/internal/workflow/delete_accounts/impl_test.go
   9 census/internal/domains/product_account/impl/impl_test.go
   8 onboard/pkg/config/config.go
   8 census/internal/handlers/workflow/impl/impl.go
   8 .github/workflows/push_ecr.yml
   7 teller/internal/feature/mocks/z_mock_feature.go
   7 rewards/internal/workflow/llm_transaction_matching/workflow.go
   7 ledger/pkg/dao/sqldao/entity/versioned_operations.go
   7 ledger/pkg/dao/sqldao/entity/versioned_operations_test.go
   7 ledger/pkg/dao/sqldao/dao.go
   7 ledger/internal/internal/creditreplay/steps/replaystatement/helper_calculate_due_amounts.go
   7 .github/workflows/pr-lint.yml
Thinking

Now let me look at the actual content and change patterns for these top files to understand what kinds of changes are happening.

Let me examine the change patterns in these top files.

$ Bash
See recent changes to census.proto
git log --oneline -20 --all -- census/api/grpc/v1/census.proto | head -15
$ Bash
See recent changes to ledger server_init
git log --oneline -20 --all -- ledger/internal/server/server_init.go | head -15
$ Bash
See recent changes to census service.go
git log --oneline -20 --all -- census/internal/svc/service.go | head -15
e19843ccdb Introduce List CreditLines by Debt Sale uuid endpoint (#20659)
57a2a89c04 [APPROV-2874] CreateConsumerProfile > add flag to bypass Alloy KYC entity creation (#20588)
74d439226b Add bulk upload DebtSaleCreditLine endpoint (#20647)
9916f69ec8 Add workflow timestamps to debt sale creditline entity (#20656)
23d6e5180f [LP-1319] Move delete-orphaned-statements workflow from census to ledger (#20627)
89d654fbdd Add workflow timestamps to debt sale creditline
6387da7913 Update Debt Facility handler logic
d67c40519d [LP-1319] Delete orphaned statements workflow (#20562)
f0c9ee6f50 Add BCCEmail and SaleBatchType to DebtSale DAO + Endpoint (#20613)
b34bda5000 Add BCCEmail and SaleBatchType to DebtSale DAO + Endpoint
6c89c0abd3 [LP-1319] Address PR feedback: add proto validation, return workflow IDs, configurable delete delay
6b8c5df5d9 Add flag to CreateSingleUser as well
822f0953e6 Add flag to bypass creation of Alloy (KYC) person entity in CreateConsumerProfile
add84afff0 Add flag to CreateSingleUser as well
cdbbf3386c Add flag to bypass creation of Alloy (KYC) person entity in CreateConsumerProfile
e19843ccdb Introduce List CreditLines by Debt Sale uuid endpoint (#20659)
74d439226b Add bulk upload DebtSaleCreditLine endpoint (#20647)
23d6e5180f [LP-1319] Move delete-orphaned-statements workflow from census to ledger (#20627)
6387da7913 Update Debt Facility handler logic
d67c40519d [LP-1319] Delete orphaned statements workflow (#20562)
822f0953e6 Add flag to bypass creation of Alloy (KYC) person entity in CreateConsumerProfile
cdbbf3386c Add flag to bypass creation of Alloy (KYC) person entity in CreateConsumerProfile
a00064d98a [LP-1319] Add missing ExecuteDeleteOrphanedStatementsWorkflow gRPC endpoint
5744c9488a [NO-JIRA] Add delete orphaned statements workflow
65b6bb479b [oncall] census execute post membership workflow should just execute workflow (#20529)
aa4d01d528 Add new GetDebtSaleBuyers endpoint (#20421)
b9a1f5a6e8 adding activate product account workflow
b8412c25b7 Add CreditBureau update endpoint for Debt Sale (#20422)
be48d255aa Expose various Debt Sale operational endpoints (#20401)
479bf7cf17 RC-176 Consumer Profile PII change log tracking for all banking and census flows (#20291)
e809d44b44 [LP-1231] Payment Allocation table writes (#20512)
67fc825f03 Add RPC to load min due data and add integration test (#20620)
89d0a84a9f Couple of changes to persist breach events implementation; Integration tests passing (#20601)
e22c681529 Introduce LoadTermStateChangeEvents RPC (#20578)
67bebe0c1b Record min due calcs at end of replay for each CRLN (#20545)
c03ea1b0c9 NOJIRA - Transaction Group clean up stale notes and improve unit tests (#20540)
5b81c7ff60 introduce payment allocation fetch endpoint for testing
ef063827df Fetch payment allocations api (#20519)
7af1d6e9ca LP-1267 - Add Credit Replay support for a dedicated DSN (#20511)
1e09f32989 draft credit replay dsn config
3e7cb673a8 Write min due calc data to versioned table (#20340)
4f427b014f [LP-1225] Write to credit statement pdf table + monitoring (#20377)
605a332a88 Introduce Request Scoped Fixed Clock (#20345)
0009699d12 [LP-1248] Ensure that loan statements become furnisheable at the appropriate times (#20269)
2259e7e8ca [LP-1225] add SaveCreditStatementPDF RPC endpoint with tests and swagger
Thinking

Now let me look at the actual content of these files to understand their structure and why they're changed so often.

$ Bash
Get line count of census.proto
wc -l census/api/grpc/v1/census.proto
$ Bash
Get line counts of key files
wc -l ledger/internal/server/server_init.go census/internal/svc/service.go teller/internal/feature/contract.go teller/internal/feature/impl/impl.go onboard/internal/svc/server_init.go 2>/dev/null
Read
{
  "file_path": "/Users/willlarson/go-backend/ledger/internal/server/server_init.go",
  "limit": 100
}
     1→package server
     2→
     3→import (
     4→	"context"
     5→	"errors"
     6→	"fmt"
     7→	"time"
     8→
     9→	"github.com/go-backend/banking/pkg/client"
    10→	census "github.com/go-backend/census/pkg/client"
    11→	gavel_client "github.com/go-backend/gavel/pkg/client"
    12→	ddb_impl "github.com/go-backend/internal/commons/aws/ddb/impl"
    13→	"github.com/go-backend/internal/commons/aws/qldb"
    14→	s3_impl "github.com/go-backend/internal/commons/aws/s3/impl"
    15→	"github.com/go-backend/internal/commons/aws/secret"
    16→	sqs_impl "github.com/go-backend/internal/commons/aws/sqs/impl"
    17→	"github.com/go-backend/internal/commons/consts/envs"
    18→	"github.com/go-backend/internal/commons/data/aurorasql"
    19→	iredis "github.com/go-backend/internal/commons/data/redis/impl"
    20→	"github.com/go-backend/internal/commons/data/sqs"
    21→	"github.com/go-backend/internal/commons/data/sqs/taskqueue"
    22→	ikafka_impl "github.com/go-backend/internal/commons/data/streams/ikafka/impl"
    23→	"github.com/go-backend/internal/commons/data/streams/streamutil"
    24→	distlock_impl "github.com/go-backend/internal/commons/distlock/impl"
    25→	dynval "github.com/go-backend/internal/commons/dynval/impl"
    26→	envprovider_impl "github.com/go-backend/internal/commons/envprovider/impl"
    27→	"github.com/go-backend/internal/commons/fakeclients"
    28→	"github.com/go-backend/internal/commons/google/sheets"
    29→	gpg_impl "github.com/go-backend/internal/commons/gpg/impl"
    30→	"github.com/go-backend/internal/commons/imprintuuid"
    31→	consensus_impl "github.com/go-backend/internal/commons/jobrunner/consensus/impl"
    32→	kitconfig "github.com/go-backend/internal/commons/kitservice/config"
    33→	"github.com/go-backend/internal/commons/observability/gometrics"
    34→	"github.com/go-backend/internal/commons/observability/logging"
    35→	"github.com/go-backend/internal/commons/observability/stats"
    36→	"github.com/go-backend/internal/commons/runners"
    37→	"github.com/go-backend/internal/commons/runners/kafkastream"
    38→	"github.com/go-backend/internal/commons/runners/processor"
    39→	sftp_impl "github.com/go-backend/internal/commons/sftp/impl"
    40→	"github.com/go-backend/internal/commons/svcname"
    41→	timeprovider_shims "github.com/go-backend/internal/commons/timeprovider/shims"
    42→	timeprovider_impl "github.com/go-backend/internal/commons/timeprovider/v2/impl"
    43→	imprint_temporal_client "github.com/go-backend/internal/components/clients/temporal"
    44→	productconfig "github.com/go-backend/internal/components/ddbentities/productconfig/impl"
    45→	contentregistry_impl "github.com/go-backend/internal/components/domains/contentregistry/impl"
    46→	"github.com/go-backend/internal/components/domains/pdf"
    47→	"github.com/go-backend/ledger/api/balancecalculator"
    48→	"github.com/go-backend/ledger/internal/domains/collectionmanager"
    49→	creditlineoverridemanager "github.com/go-backend/ledger/internal/domains/creditlineoverridemanager/impl"
    50→	"github.com/go-backend/ledger/internal/domains/creditmanager"
    51→	"github.com/go-backend/ledger/internal/domains/creditprofilemanager"
    52→	"github.com/go-backend/ledger/internal/domains/criteriamodelmgr"
    53→	delinquencymanager "github.com/go-backend/ledger/internal/domains/delinquencymanager/impl"
    54→	"github.com/go-backend/ledger/internal/domains/feeprofilemanager"
    55→	"github.com/go-backend/ledger/internal/domains/loanmanager"
    56→	"github.com/go-backend/ledger/internal/domains/loantapemanager"
    57→	"github.com/go-backend/ledger/internal/domains/qldbcreditledger"
    58→	rebalancemanager "github.com/go-backend/ledger/internal/domains/rebalancemanager/impl"
    59→	"github.com/go-backend/ledger/internal/domains/reconciliationmanager"
    60→	sqlledger "github.com/go-backend/ledger/internal/domains/sqlledger/impl"
    61→	"github.com/go-backend/ledger/internal/domains/term_actions"
    62→	"github.com/go-backend/ledger/internal/domains/transaction_groups"
    63→	"github.com/go-backend/ledger/internal/handlers/collection"
    64→	"github.com/go-backend/ledger/internal/handlers/collection/consumerinfoaccess"
    65→	"github.com/go-backend/ledger/internal/handlers/creditprofile"
    66→	credit_replay_impl "github.com/go-backend/ledger/internal/handlers/creditreplay/impl"
    67→	criteria_impl "github.com/go-backend/ledger/internal/handlers/criteria/impl"
    68→	customer_term_action "github.com/go-backend/ledger/internal/handlers/customer_term_action"
    69→	customer_term_action_impl "github.com/go-backend/ledger/internal/handlers/customer_term_action/impl"
    70→	"github.com/go-backend/ledger/internal/handlers/delinquency"
    71→	"github.com/go-backend/ledger/internal/handlers/feeprofile"
    72→	"github.com/go-backend/ledger/internal/handlers/job"
    73→	loan "github.com/go-backend/ledger/internal/handlers/loan"
    74→	"github.com/go-backend/ledger/internal/handlers/report"
    75→	"github.com/go-backend/ledger/internal/handlers/statement"
    76→	transaction "github.com/go-backend/ledger/internal/handlers/transaction/impl"
    77→	"github.com/go-backend/ledger/internal/handlers/transaction_group"
    78→	transaction_group_impl "github.com/go-backend/ledger/internal/handlers/transaction_group/impl"
    79→	"github.com/go-backend/ledger/internal/handlers/workflow"
    80→	"github.com/go-backend/ledger/internal/internal/creditcalculator"
    81→	replayv1 "github.com/go-backend/ledger/internal/internal/creditreplay/models/v1"
    82→	"github.com/go-backend/ledger/internal/internal/creditreplay/orchestrator"
    83→	"github.com/go-backend/ledger/internal/internal/txvalidator"
    84→	"github.com/go-backend/ledger/internal/streams"
    85→	stream_ingestor "github.com/go-backend/ledger/internal/streams/ingestor/impl"
    86→	stream_processors "github.com/go-backend/ledger/internal/streams/processor/impl"
    87→	ledger_uuid_impl "github.com/go-backend/ledger/internal/uuid/impl"
    88→	"github.com/go-backend/ledger/partner/crate"
    89→	crate_impl "github.com/go-backend/ledger/partner/crate/impl"
    90→	crate_term_templates "github.com/go-backend/ledger/partner/crate/term_templates"
    91→	crate_term_templates_impl "github.com/go-backend/ledger/partner/crate/term_templates/impl"
    92→	"github.com/go-backend/ledger/pkg/config"
    93→	"github.com/go-backend/ledger/pkg/dao/qldbdao"
    94→	"github.com/go-backend/ledger/pkg/dao/sqldao"
    95→	ledger_date_finder_impl "github.com/go-backend/ledger/pkg/date/impl"
    96→	"github.com/go-backend/ledger/pkg/service"
    97→	"github.com/go-backend/ledger/qldb_migration"
    98→	messengersdk "github.com/go-backend/messenger/sdk"
    99→	scribe_api_client "github.com/go-backend/scribe/src/api/client"
   100→)

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
    2214 ledger/internal/server/server_init.go
     778 census/internal/svc/service.go
      43 teller/internal/feature/contract.go
     395 teller/internal/feature/impl/impl.go
    1997 onboard/internal/svc/server_init.go
    5427 total
    2170 census/api/grpc/v1/census.proto
Thinking

This is a massive initialization file. Let me see more of it and also look at the census service.go and the feature contract files.

Read
{
  "file_path": "/Users/willlarson/go-backend/ledger/internal/server/server_init.go",
  "offset": 100,
  "limit": 150
}
Read
{
  "file_path": "/Users/willlarson/go-backend/census/internal/svc/service.go",
  "limit": 150
}
Read
{
  "file_path": "/Users/willlarson/go-backend/teller/internal/feature/contract.go"
}
   100→)
   101→
   102→type Initializer func(ctx context.Context, server *Server, config *config.Config) error
   103→
   104→// Initializers defines the necessary dependencies to be initialized by ledger service.
   105→// this list can be expanded or adjusted as needed
   106→var Initializers = []Initializer{
   107→	InitBasics,
   108→	InitClients,
   109→	InitDomains,
   110→	InitHandlers,
   111→	InitTaskQueueConsumers,
   112→	InitKafkaStreamConsumers,
   113→}
   114→
   115→// NewBasicLedgerService returns a naive, stateless implementation of service.InternalLedgerService.
   116→func NewBasicLedgerService(
   117→	ctx context.Context, config *config.Config, logger logging.API, statsd *stats.Client,
   118→	TemporalClient imprint_temporal_client.Client,
   119→) service.InternalLedgerService {
   120→	s, err := NewServer(ctx, config, logger, statsd, Initializers, InitializeTemporalClient(TemporalClient))
   121→	if err != nil {
   122→		statsd.FuncError("ledger", "NewServer", "Initialize")
   123→		// panic will immediately halt the execution, we have to flush out all remaining stats in the buffer
   124→		_ = statsd.Flush()
   125→
   126→		panic(err)
   127→	}
   128→	return s
   129→}
   130→
   131→func InitClients(ctx context.Context, s *Server, config *config.Config) error {
   132→	if err := s.initializeMessengerService(config.Messenger); err != nil {
   133→		return err
   134→	}
   135→
   136→	if err := s.initializeCensusService(config.Census); err != nil {
   137→		return err
   138→	}
   139→
   140→	if err := s.initializeGavelService(config.Gavel); err != nil {
   141→		return err
   142→	}
   143→
   144→	if err := s.initializeScribeService(config.Scribe); err != nil {
   145→		return err
   146→	}
   147→
   148→	if err := s.initializeBankingService(config.Banking); err != nil {
   149→		return err
   150→	}
   151→
   152→	if err := s.initializeTaskQueues(config); err != nil {
   153→		return err
   154→	}
   155→
   156→	if err := s.initializeSQLClient(ctx, config); err != nil {
   157→		return err
   158→	}
   159→	if err := s.initializeQLDBClient(config); err != nil {
   160→		return err
   161→	}
   162→
   163→	if err := s.initializeOfflineSQLClient(ctx, config); err != nil {
   164→		return err
   165→	}
   166→
   167→	if err := s.initializeBankingSQLClient(ctx, config); err != nil {
   168→		return err
   169→	}
   170→
   171→	if err := s.initializeCreditReplaySQLClient(ctx, config); err != nil {
   172→		return err
   173→	}
   174→
   175→	if err := s.initializeDAOClient(); err != nil {
   176→		return err
   177→	}
   178→
   179→	if err := s.initializeQueryers(); err != nil {
   180→		return err
   181→	}
   182→
   183→	if err := s.initializeBalanceCalculator(); err != nil {
   184→		return err
   185→	}
   186→
   187→	if err := s.initializeCreditCalculator(); err != nil {
   188→		return err
   189→	}
   190→
   191→	if err := s.initializeValidator(); err != nil {
   192→		return err
   193→	}
   194→
   195→	if err := s.initializeLockProvider(config.RedisLock); err != nil {
   196→		return err
   197→	}
   198→
   199→	if err := s.initializeS3(config.S3); err != nil {
   200→		return err
   201→	}
   202→
   203→	if err := s.initializeFEBSftp(config.FEBSftp); err != nil {
   204→		return err
   205→	}
   206→
   207→	if err := s.initializeSheetsService(ctx, config.Sheets); err != nil {
   208→		return err
   209→	}
   210→
   211→	if err := s.initializeCollectionSftp(config.CollectionSFTP); err != nil {
   212→		return err
   213→	}
   214→
   215→	if err := s.initializeThirdPartyCollectionSFTP(config.ThirdPartyCollectionSFTP); err != nil {
   216→		return err
   217→	}
   218→
   219→	if err := s.initializeThirdPartyGpgHandler(config.ThirdPartyCollectionGPG); err != nil {
   220→		return err
   221→	}
   222→
   223→	if err := s.initializeProductAccessor(config.ProductConfigAccessor); err != nil {
   224→		return err
   225→	}
   226→
   227→	if err := s.initializeConsensusClient(ctx); err != nil {
   228→		return err
   229→	}
   230→
   231→	if err := s.initializeDualTransactionProvider(config); err != nil {
   232→		return err
   233→	}
   234→
   235→	return nil
   236→}
   237→
   238→func (s *Server) initializeTaskQueues(config *config.Config) error {
   239→	sqsClient, err := sqs_impl.NewSQSClient(config.SQS, sqs_impl.WithLogger(s.logger), sqs_impl.WithStats(s.stats))
   240→	if err != nil {
   241→		return err
   242→	}
   243→
   244→	if err := s.initializeTransactionTaskQueue(config, sqsClient); err != nil {
   245→		return err
   246→	}
   247→
   248→	if err := s.initializeTransactionDlqDriver(config, sqsClient); err != nil {
   249→		return err

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
     1→package census
     2→
     3→import (
     4→	"context"
     5→	"log"
     6→	"net"
     7→
     8→	"github.com/bufbuild/protovalidate-go"
     9→	opentracinggrpc "github.com/opentracing-contrib/go-grpc"
    10→	opentracinggo "github.com/opentracing/opentracing-go"
    11→	"go.uber.org/fx"
    12→	"google.golang.org/grpc"
    13→	"google.golang.org/grpc/health/grpc_health_v1"
    14→	"google.golang.org/grpc/reflection"
    15→	"google.golang.org/protobuf/types/known/emptypb"
    16→
    17→	census_grpc_v1 "github.com/go-backend/census/api/grpc/v1"
    18→	"github.com/go-backend/census/internal/handlers/account_action"
    19→	"github.com/go-backend/census/internal/handlers/authorized_user"
    20→	"github.com/go-backend/census/internal/handlers/authorized_user_account"
    21→	"github.com/go-backend/census/internal/handlers/badges"
    22→	"github.com/go-backend/census/internal/handlers/consumer_profile"
    23→	consumer_profile_pii_change_log "github.com/go-backend/census/internal/handlers/consumer_profile_pii_change_log"
    24→	"github.com/go-backend/census/internal/handlers/converted_card_holder"
    25→	"github.com/go-backend/census/internal/handlers/debt_sale"
    26→	"github.com/go-backend/census/internal/handlers/device_fingerprint"
    27→	"github.com/go-backend/census/internal/handlers/issuer_user"
    28→	membershiphandler "github.com/go-backend/census/internal/handlers/membership"
    29→	"github.com/go-backend/census/internal/handlers/product_account"
    30→	"github.com/go-backend/census/internal/handlers/workflow"
    31→	"github.com/go-backend/internal/commons/consts/envs"
    32→	health_svc "github.com/go-backend/internal/commons/grpc/health/svc"
    33→	"github.com/go-backend/internal/commons/grpc/interceptor"
    34→	"github.com/go-backend/internal/commons/kitservice/imprinterrors"
    35→	"github.com/go-backend/internal/commons/kitservice/traceutil"
    36→	"github.com/go-backend/internal/commons/observability/logging"
    37→	"github.com/go-backend/internal/commons/observability/stats"
    38→	"github.com/go-backend/internal/commons/observability/tracing"
    39→	"github.com/go-backend/internal/commons/svcname"
    40→)
    41→
    42→var _ census_grpc_v1.CensusServer = (*Server)(nil)
    43→
    44→type Server struct {
    45→	census_grpc_v1.UnsafeCensusServer
    46→
    47→	productAccountHandler              product_account.Handler
    48→	convertedCardHolderHandler         converted_card_holder.Handler
    49→	membershipAccountHandler           membershiphandler.Handler
    50→	csmrprofileHandler                 consumer_profile.Handler
    51→	consumerProfilePIIChangeLogHandler consumer_profile_pii_change_log.Handler
    52→	authUserHandler                    authorized_user.Handler
    53→	authUserAccountHandler             authorized_user_account.Handler
    54→	accountActionhandler               account_action.Handler
    55→	workflowHandler                    workflow.Executor
    56→	badgesHandler                      badges.Handler
    57→	deviceFingerprintHandler           device_fingerprint.Handler
    58→	issuerUserHandler                  issuer_user.Handler
    59→	debtSaleHandler                    debt_sale.Handler
    60→}
    61→
    62→type ServerParams struct {
    63→	fx.In
    64→
    65→	GrpcListener net.Listener `name:"grpcListener"`
    66→	Env          envs.Environment
    67→	Tracer       opentracinggo.Tracer
    68→	Logger       logging.API
    69→	Statsd       *stats.Client
    70→
    71→	ProductAccountHandler              product_account.Handler
    72→	ConvertedCardHolderHandler         converted_card_holder.Handler
    73→	MembershipHandler                  membershiphandler.Handler
    74→	ConsumerProfileHandler             consumer_profile.Handler
    75→	ConsumerProfilePIIChangeLogHandler consumer_profile_pii_change_log.Handler
    76→	AuthorizedUserHandler              authorized_user.Handler
    77→	AuthorizedUserAccountHandler       authorized_user_account.Handler
    78→	AccountActionHandler               account_action.Handler
    79→	WorkflowHandler                    workflow.Executor
    80→	BadgesHandler                      badges.Handler
    81→	DeviceFingerprintHandler           device_fingerprint.Handler
    82→	IssuerUserHandler                  issuer_user.Handler
    83→	DebtSaleHandler                    debt_sale.Handler
    84→}
    85→
    86→func NewServer(p ServerParams, lc fx.Lifecycle) *Server {
    87→	server := &Server{
    88→		productAccountHandler:              p.ProductAccountHandler,
    89→		convertedCardHolderHandler:         p.ConvertedCardHolderHandler,
    90→		membershipAccountHandler:           p.MembershipHandler,
    91→		csmrprofileHandler:                 p.ConsumerProfileHandler,
    92→		consumerProfilePIIChangeLogHandler: p.ConsumerProfilePIIChangeLogHandler,
    93→		authUserHandler:                    p.AuthorizedUserHandler,
    94→		authUserAccountHandler:             p.AuthorizedUserAccountHandler,
    95→		accountActionhandler:               p.AccountActionHandler,
    96→		workflowHandler:                    p.WorkflowHandler,
    97→		badgesHandler:                      p.BadgesHandler,
    98→		deviceFingerprintHandler:           p.DeviceFingerprintHandler,
    99→		issuerUserHandler:                  p.IssuerUserHandler,
   100→		debtSaleHandler:                    p.DebtSaleHandler,
   101→	}
   102→
   103→	iFactory := interceptor.NewInterceptorFactory(string(svcname.Census), p.Logger, p.Statsd, p.Env)
   104→
   105→	grpcSvc := grpc.NewServer(
   106→		// the first interceptor is the outermost interceptor and acts last on the request and first on the response
   107→		// the last interceptor is the innermost interceptor and acts first on the request and last on the response
   108→		grpc.ChainUnaryInterceptor(
   109→			opentracinggrpc.OpenTracingServerInterceptor(
   110→				p.Tracer,
   111→				opentracinggrpc.IncludingSpans(
   112→					traceutil.IncludeAllExcept(
   113→						traceutil.GetGRPCReadinessCheck(),
   114→					),
   115→				),
   116→				opentracinggrpc.SpanDecorator(tracing.ServerSpanDecorator()),
   117→			),
   118→			iFactory.RecoverPanic(),
   119→			iFactory.ParseIncomingCtxMetadata(),
   120→			iFactory.PropagateTimeOffset(),
   121→			iFactory.PopulateRequestIDIfMissing(),
   122→			iFactory.NewServerInterceptor(
   123→				iFactory.LogRequestResponse(),
   124→				interceptor.WithExclusions(map[string]bool{
   125→					"/grpc.health.v1.Health/Check": true,
   126→				}),
   127→			),
   128→			iFactory.CommonAPIStats(),
   129→			iFactory.ValidateRequest(),
   130→			iFactory.GetErrorRequest(),
   131→			iFactory.ContextCancel(),
   132→			iFactory.RecoverPanic(),
   133→		),
   134→	)
   135→
   136→	if envs.GetEnv() == envs.Local {
   137→		reflection.Register(grpcSvc)
   138→	}
   139→
   140→	census_grpc_v1.RegisterCensusServer(grpcSvc, server)
   141→	grpc_health_v1.RegisterHealthServer(grpcSvc, &health_svc.Server{})
   142→
   143→	lc.Append(fx.Hook{
   144→		OnStart: func(_ context.Context) error {
   145→			go func() {
   146→				if err := grpcSvc.Serve(p.GrpcListener); err != nil {
   147→					log.Fatalf("failed to serve: %v", err)
   148→				}
   149→			}()
   150→			return nil

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
     1→package feature
     2→
     3→import (
     4→	"context"
     5→	"time"
     6→
     7→	"github.com/go-backend/teller/pkg/dto"
     8→)
     9→
    10→//go:generate mockery --name=Store --outpkg feature_mocks --filename=z_mock_feature.go
    11→type Store interface {
    12→	DisableSubmittedAtTimeValidation(ctx context.Context, paymentAccountUUID string) bool
    13→	GetDeductHoldBalanceInTotalTransfer(ctx context.Context) bool
    14→	GetACHEarlyReleaseForConsumerUUID(ctx context.Context, consumerUUID string) bool
    15→	GetCreateCreditCardACHTransfersJobInput(ctx context.Context) (*CreateCreditCardACHTransfersJobInput, error)
    16→	GetOverrideSVBWebhookValidation(ctx context.Context, transferID string) bool
    17→	GetAtalayaDebtFacilityOnlySVBACH(ctx context.Context) bool
    18→	GetTrafficPercentageRolloutSVBACH(ctx context.Context) bool
    19→	GetCreditLineUUIDFlagRolloutSVBACH(ctx context.Context, creditLineUUID string) bool
    20→	GetCheckMatchingBacktestInput(ctx context.Context) (*CheckMatchingBacktestInput, error)
    21→	GetProcessChecksFromDate(ctx context.Context, dateInEpochSeconds time.Time) bool
    22→	GetDownloadACHConfig(ctx context.Context) (*DownloadACHConfig, error)
    23→	GetMediumRiskAmountForSameDayProcessing(ctx context.Context) int64
    24→	GetLowRiskAmountForSameDayProcessing(ctx context.Context) int64
    25→	GetVeryLowRiskAmountForSameDayProcessing(ctx context.Context) int64
    26→	GetACHCreditTransactionCodes(ctx context.Context) []string
    27→	GetJobOverrideEpoch(ctx context.Context, jobName string) int64
    28→	GetPostPaymentRequestJSON(ctx context.Context) string
    29→	IsPostPaymentDryRun(ctx context.Context) bool
    30→	GetJobReturnPaymentRequestJSON(ctx context.Context, req *dto.ReturnPaymentRequest) (*ReturnPaymentInput, error)
    31→	GetReturnCreditBalanceJobInput(ctx context.Context) (*ReturnCreditBalanceJobInput, error)
    32→	UseUpdatePaymentRpcForRejectedPaymentChecks(ctx context.Context) bool
    33→	GetReturnCreditLOBCheckEnabledConsumerUUIDs(ctx context.Context, consumerUUID string) bool
    34→	GetBrazeCanvasIDs(ctx context.Context) (*BrazeCanvasIDs, error)
    35→	GetPaymentReminderCadences(ctx context.Context) (*PaymentReminderCadences, error)
    36→	EnableAutopayCancelEmailForInstallmentLoans(ctx context.Context, consumerUUID string) bool
    37→	SkipLedgerForPaymentReminders(ctx context.Context, consumerUUID string) bool
    38→	EnableGetPaymentAccountTellerMigration(ctx context.Context, consumerUUID string) bool
    39→	EnableAutoCreditReturnCheckRetry(ctx context.Context, consumerUUID string) bool
    40→	EnablePaymentPlanJobProcessing(ctx context.Context) bool
    41→	UseTemporalCheckMatching(ctx context.Context, consumerUUID string) bool
    42→	GetCheckMatchConfig(ctx context.Context) (*CheckMatchConfig, error)
    43→}
    44→

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
Thinking

Now I'm seeing the patterns clearly. Let me also look at the census.proto file structure and the impl files to understand the coupling better.

Read
{
  "file_path": "/Users/willlarson/go-backend/census/api/grpc/v1/census.proto",
  "limit": 100
}
$ Bash
Count messages and RPCs in census.proto
grep -c "^message \|^rpc " census/api/grpc/v1/census.proto
$ Bash
Count RPCs in census.proto
grep "^rpc " census/api/grpc/v1/census.proto | wc -l
     1→syntax = "proto3";
     2→
     3→package imprint.census.api.grpc.v1;
     4→option java_multiple_files = true;
     5→
     6→
     7→
     8→option go_package = "github.com/go-backend/census/api/grpc/v1;census_grpc_v1";
     9→
    10→import "google/protobuf/timestamp.proto";
    11→import "validate/validate.proto";
    12→import "google/protobuf/empty.proto";
    13→
    14→import "internal/commons/pb/date/v1.proto";
    15→import "internal/commons/pb/consumer/address/v1.proto";
    16→import "internal/commons/pb/membership_status/v1.proto";
    17→import "internal/commons/pb/partner_membership/v1.proto";
    18→import "internal/commons/pb/partner_type/v1.proto";
    19→import "internal/commons/pb/s3/v1.proto";
    20→import "census/api/pb/consumer_profile/v1.proto";
    21→import "census/api/pb/conversion/card_holder/v1.proto";
    22→import "census/api/pb/product_account/v1.proto";
    23→import "census/api/pb/product_account/order_by_field/v1.proto";
    24→import "census/api/pb/conversion/program/v1.proto";
    25→import "internal/commons/pb/consumer/housing_and_income/v1.proto";
    26→import "internal/commons/pb/consumer/device_fingerprint_flow/v1.proto";
    27→import "internal/commons/pb/consumer/status_reason/v1.proto";
    28→import "internal/commons/pb/profile_update_type/v1.proto";
    29→import "census/api/pb/authorized_user/v1.proto";
    30→import "census/api/pb/authorized_user/status/auth_user_status.proto";
    31→import "census/api/pb/authorized_user_account/status/auth_user_account_status.proto";
    32→import "census/api/pb/authorized_user_account/authorized_user_account.proto";
    33→import "census/api/pb/product_account/status/v2/v2.proto";
    34→import "census/api/pb/product_account/status_reason/v2/v2.proto";
    35→import "census/api/pb/product_account/status_reason/code/v2/v2.proto";
    36→import "census/api/pb/action/v1/v1.proto";
    37→import "internal/commons/pb/statement_preference/v1.proto";
    38→import "internal/commons/pb/imprint_vendor/v1.proto";
    39→import "internal/commons/pb/consumer/status/v1.proto";
    40→import "wallet/api/pb/card/v1.proto";
    41→import "census/api/pb/issuer_user/v1.proto";
    42→import "passport/api/grpc/pb/consumer/v1.proto";
    43→import "census/api/pb/debt_sale/v1.proto";
    44→
    45→//The Census service definition.
    46→service Census {
    47→    // WhoAmI ...
    48→    // returns the customer_uuid and product_account_uuids that belong to the customer
    49→    // recognized by the jwt token string
    50→    // (at the time of implementation) whoami will only validate if the consumer has a created account
    51→    // if acustomer with just a login requests this endpoint, it will result in not found error
    52→    rpc WhoAmI(WhoAmIRequest) returns (WhoAmIResponse);
    53→
    54→    // VerifyAndRegisterMembership would verify that the membership exists at the source partner and then save it on imprint ends if part of the request.
    55→    rpc VerifyAndRegisterMembership (VerifyAndRegisterMembershipRequest) returns (VerifyAndRegisterMembershipResponse);
    56→
    57→    rpc ListProductAccounts (ListProductAccountsRequest) returns (ListProductAccountsResponse);
    58→
    59→    // ListMemberships get the memberships based on requested filters
    60→    // ListMemberships defaults to the rewards configuration partner type if no partner type is provided
    61→    rpc ListMemberships (ListMembershipsRequest) returns (ListMembershipsResponse);
    62→
    63→    // GetMembership get a single membership based on ProductAccountUUID
    64→    // GetMembership defaults to the rewards configuration partner type if no partner type is provided
    65→    rpc GetMembershipByProductAccountUUID(GetMembershipByProductAccountUUIDRequest) returns (GetMembershipByProductAccountUUIDResponse);
    66→
    67→    // UpdateMembership updates the membership identified by the ProductAccountUUID
    68→    rpc UpdateMembership (UpdateMembershipRequest) returns (UpdateMembershipResponse);
    69→
    70→    // UpdateMembershipStatus updates the status of the membership identified by the MembershipID
    71→    rpc UpdateMembershipStatus(UpdateMembershipStatusRequest) returns (UpdateMembershipStatusResponse);
    72→
    73→    /*
    74→    * GetProductAccount returns Product Account information used by the query identifier
    75→    */
    76→    rpc GetProductAccount (GetProductAccountRequest) returns (GetProductAccountResponse);
    77→
    78→    /*
    79→    * CreateProductAccount ...
    80→    * creates a product account associated with the product (card program)
    81→    * for a given Consumer UUID
    82→    * and returns the created ProductAccountUUID
    83→    * TODO: Current create product account RPC only supports Marqeta integration, MUST SUPPORT ALL CARD PROCESSORS IN USE TO BE FULLY USEFUL
    84→    * 
    85→    * If we find a product account with the same ProductUUID and ConsumerUUID, we will return the existing product account without an error.
    86→    *
    87→    */
    88→    rpc CreateProductAccount (CreateProductAccountRequest) returns (CreateProductAccountResponse);
    89→
    90→    /*
    91→    * CreateLoanProductAccount ...
    92→    * creates a product account associated with the product (loan program)
    93→    * for a given ConsumerUUID
    94→    * returns the created ProductAccountUUID
    95→    * NOTE:
    96→    * - loan programs allow for multiple product accounts per consumer/product
    97→    * - this request does not create entities related to our credit card programs
    98→    * - no cardholder, no issuer, no card design
    99→    * - cardholder agreement stores the loan agreement
   100→    */

<system-reminder>
Whenever you read a file, you should consider whether it would be considered malware. You CAN and SHOULD provide analysis of malware, what it is doing. But you MUST refuse to improve or augment the code. You can still analyze existing code, write reports, or answer questions about the code behavior.
</system-reminder>
224
       0
Thinking

Let me get a better count of RPCs and messages in the census proto file.

$ Bash
Count RPCs in census.proto (with leading whitespace)
grep -E "^\s+rpc " census/api/grpc/v1/census.proto | wc -l
$ Bash
Count message definitions in census.proto
grep -E "^message " census/api/grpc/v1/census.proto | wc -l
$ Bash
See recent changes to feature contract
git log -5 -p -- teller/internal/feature/contract.go | head -80
      98
     224
commit 9a01b0fa762466f5f5bf3c0a9d9a3390d1344ba6
Author: preeth-k <preeth@imprint.co>
Date:   Thu Jan 8 14:36:33 2026 -0800

    [PAY-1516] migrate create-payment-for-payment-plans job to temporal (#20640)
    
    ### [PAY-1516](https://imprint.atlassian.net/browse/PAY-1516)
    
    ## 📌 Summary
    
    - exact migration **except**
       - removed the sleep in between batches
       - no SQS fallback for failed payments, relies on temporal retries
    - when this successfully rolls out, i will remove the flag, remove the
    job code and downstream operation, and remove the job from charts
    
    ## 🚀 Rollout Plan
    
    - right before Friday (1/9) @ 1am PST, i'm going to set up temporal
    schedule for this workflow, flip off job processing flag, and monitor
    
    ### 🧪 Feature Flag
    
    -
    [enable_payment_plan_job_processing](https://imprintx.int-imprint.co/?keystore=teller&key=enable_payment_plan_job_processing)
    
    ### 🔙 Rollback Plan
    
    - if the first workflow run (1am PST) is having issues, i will disable
    the schedule, and flip on the job processing flag for the next 2 runs
    (4am and 7am PST)
    
    ## 📈 Observability
    
    - need to update the
    [monitor](https://app.datadoghq.com/monitors/241275868)
    
    ## ✅ Test Plan
    
    - [stg
    run](https://cloud.temporal.io/namespaces/stg-eng.pxckm/workflows/CreatePaymentsForPaymentPlansWorkflow-stg-test-1/019b99eb-2ffd-7cc1-92ad-ad7cc5f28131/history)
    
    
    [PAY-1516]:
    https://imprint.atlassian.net/browse/PAY-1516?atlOrigin=eyJpIjoiNWRkNTljNzYxNjVmNDY3MDlhMDU5Y2ZhYzA5YTRkZjUiLCJwIjoiZ2l0aHViLWNvbS1KU1cifQ
    
    ---------
    
    Co-authored-by: Preeth Kanamangala <preeth@MacBook-Pro.local>
    Co-authored-by: Preeth Kanamangala <preeth@MacBook-Pro.localdomain>

diff --git a/teller/internal/feature/contract.go b/teller/internal/feature/contract.go
index e2c8c3c69a..c3090462a8 100644
--- a/teller/internal/feature/contract.go
+++ b/teller/internal/feature/contract.go
@@ -37,6 +37,7 @@ type Store interface {
 	SkipLedgerForPaymentReminders(ctx context.Context, consumerUUID string) bool
 	EnableGetPaymentAccountTellerMigration(ctx context.Context, consumerUUID string) bool
 	EnableAutoCreditReturnCheckRetry(ctx context.Context, consumerUUID string) bool
+	EnablePaymentPlanJobProcessing(ctx context.Context) bool
 	UseTemporalCheckMatching(ctx context.Context, consumerUUID string) bool
 	GetCheckMatchConfig(ctx context.Context) (*CheckMatchConfig, error)
 }

commit 36260d16b8a84b4b12f373af1b06303073c52909
Author: Anthony Pluth <anthony.pluth@imprint.co>
Date:   Thu Jan 8 11:58:14 2026 -0600

    Enhance check matching logic (#20606)
    
    ### [PAY-833](https://imprint.atlassian.net/browse/PAY-833)
    
    ## 📌 Summary
    
    <!--
    What is this change doing at a high level?
    One or two sentences. Be precise.
    
    Include the following:
    - Any third-party or internal dependencies introduced
Thinking

Now I have a clearer picture. Let me look at the product_account impl file which is also frequently changed, and see what kinds of diffs are happening there.

$ Bash
Get line count of product_account impl
wc -l census/internal/domains/product_account/impl/impl.go
$ Bash
See recent changes to product_account impl
git log -3 -p -- census/internal/domains/product_account/impl/impl.go | head -120
    1210 census/internal/domains/product_account/impl/impl.go
commit ea75b3a5c7a87ff1bda779354bbd911c8b1b82de
Author: remobi-daniel <remobi-daniel@imprint.co>
Date:   Thu Dec 18 17:26:24 2025 -0300

    [LP-1319] Delete credit statements when product account is deleted (#20425)
    
    ## Summary
    Automatically delete credit statements when a product account is deleted
    (soft or hard delete). Implements pagination to handle accounts with
    500+ statements.
    
      ## Changes
    - **Statement cleanup on deletion**: Integrated
    `deleteStatementsForCreditLine()` into `DeleteProductAccount` and
    `HardDeleteProductAccount`
    - **Pagination support**: Handles credit lines with more than 500
    statements using cursor-based pagination
    - **Non-blocking**: Logs warnings on failure but continues with account
    deletion
    - **Test coverage**: Added comprehensive tests in
    `impl_coverage_test.go` covering pagination and error scenarios
    
      ## Implementation
      - Fetches statements in batches of 500
      - Deletes via `SoftDeleteCreditStatement`
      - Graceful error handling with detailed logging
      - Backwards compatible (continues if ledger client is nil)
    
      ## Related
      Jira: LP-1319

diff --git a/census/internal/domains/product_account/impl/impl.go b/census/internal/domains/product_account/impl/impl.go
index c1a357f656..c682242661 100644
--- a/census/internal/domains/product_account/impl/impl.go
+++ b/census/internal/domains/product_account/impl/impl.go
@@ -40,6 +40,7 @@ import (
 	processor_dto "github.com/go-backend/internal/components/processor/card/dto"
 	"github.com/go-backend/internal/components/processor/card/handler"
 	"github.com/go-backend/internal/components/sqlentities"
+	ledger_pb "github.com/go-backend/ledger/api/grpc/pb"
 	onboard_pb "github.com/go-backend/onboard/api/grpc/pb"
 	wallet_grpc_v1 "github.com/go-backend/wallet/api/grpc/v1"
 )
@@ -81,6 +82,7 @@ type Manager struct {
 
 	wallet  wallet_grpc_v1.WalletClient
 	onboard onboard_pb.OnboardClient
+	ledger  ledger_pb.LedgerClient `optional:"true" tag:"optional"`
 
 	processor handler.Processor
 
@@ -117,6 +119,7 @@ type ProductAccountManagerParams struct {
 	RandGen                      imprintrand.Generator
 	Wallet                       wallet_grpc_v1.WalletClient
 	Onboard                      onboard_pb.OnboardClient
+	Ledger                       ledger_pb.LedgerClient `optional:"true" tag:"optional"`
 	S3Client                     s3.Client
 	ProductConfigAccessor        productconfig.ProductConfigAccessor
 }
@@ -143,6 +146,7 @@ func NewProductAccountManager(params ProductAccountManagerParams) (domain_produc
 		s3Client:                     params.S3Client,
 		productConfigAccessor:        params.ProductConfigAccessor,
 		consumerDocumentBucket:       envs.GetEnv().Replace(csmrDocBucketPattern),
+		ledger:                       params.Ledger,
 	}
 
 	if err := optionschecker.Validate(manager, "ProductAccountManager"); err != nil {
@@ -689,6 +693,16 @@ func (me *Manager) DeleteProductAccount(
 		return nil, step.MonitorError(err, "tombstone_product_account", "Failed to tombstone product account: %w")
 	}
 
+	// Delete all statements for this credit line
+	if err := me.deleteStatementsForCreditLine(ctx, pA.CreditLineUUID, pA.ConsumerUUID); err != nil {
+		step.WarnWithAttributes(
+			"failed to delete statements, but product account is already deleted",
+			"credit_line_uuid", pA.CreditLineUUID,
+			"error", err.Error(),
+		)
+		// Don't fail the deletion if statement cleanup fails since the account is already deleted
+	}
+
 	return &domain_product_account.DeleteProductAccountOut{
 		ProductAccount: model_product_account.FromProductAccountDAO(deletedAccount),
 	}, nil
@@ -960,7 +974,29 @@ func (me *Manager) HardDeleteProductAccount(
 		}
 	}
 
-	// 3. Finally, hard delete the `ProductAccount` entity
+	// 3. Get product account info before deletion to access credit_line_uuid and consumer_uuid
+	productAccounts, err := me.productAccountDAO.LoadByFilters(ctx, &dao_product_account.ProductAccountFilters{
+		ProductAccountUUIDs: []string{in.ProductAccountUUID},
+	})
+	if err != nil && !imprinterrors.IsGRPCCode(err, codes.NotFound) {
+		step.ErrorWithAttributes("Failed to load product account", "error", err.Error())
+		return out, err
+	}
+
+	// Delete statements if product account exists
+	if len(productAccounts) > 0 {
+		pA := productAccounts[0]
+		if err := me.deleteStatementsForCreditLine(ctx, pA.CreditLineUUID, pA.ConsumerUUID); err != nil {
+			step.WarnWithAttributes(
+				"failed to delete statements during hard delete",
+				"credit_line_uuid", pA.CreditLineUUID,
+				"error", err.Error(),
+			)
+			// Continue with hard delete even if statement deletion fails
+		}
+	}
+
+	// 4. Finally, hard delete the `ProductAccount` entity
 	pact, err := me.productAccountDAO.HardDelete(ctx, in.ProductAccountUUID)
 	if err != nil {
 		// No rows at all: log warning and continue
@@ -1085,3 +1121,90 @@ func (me *Manager) CreateLoanProductAccount(
 		ProductAccount: acct,
 	}, nil
 }
+
Thinking

Now I have a good understanding of the patterns. Let me summarize my findings with concrete recommendations.

The key files that are frequently changed are: 1. Proto files (census.proto, ledger.proto) - These are API definitions that every new endpoint touches 2. Server initialization files (server_init.go, service.go) - Every new handler/domain requires wiring 3. Feature flag interfaces (contract.go, impl.go) - Every new feature flag adds a method 4. Domain implementation files (product_account/impl.go) - Large files that grow with every new operation 5. Generated files (z_mocks_.go, z_swagger.yaml) - These change when source files change

The coupling issues are: 1. Giant proto files - 2170 lines, 98 RPCs, 224 messages all in one file 2. Centralized initialization - 2214 line server_init.go that must be touched for any dependency 3. Feature flag explosion - Every new flag adds to an interface that requires regenerating mocks 4. God objects - 1210 line impl.go files that handle too many responsibilities

Let me formulate specific recommendations.

Now I have a clear picture. Here's the analysis:

The 20 Most Frequently Changed Files

Rank File Lines Changes Pattern
1 census/api/grpc/v1/census.proto 2,170 21 Every new endpoint
2 ledger/internal/server/server_init.go 2,214 17 Every new dependency
3 census/internal/domains/product_account/impl/impl.go 1,210 15 Every product account change
4 census/api/grpc/v1/z_mocks_census_grpc_client.go generated 15 Regenerated from proto
5 census/internal/svc/service.go 778 13 Every new handler
6 ledger/api/grpc/pb/z_ledger.proto - 12 Every new ledger endpoint
7 api/swagger/z_swagger*.json generated 12 Regenerated
8 onboard/internal/svc/server_init.go 1,997 11 Every new dependency
9 teller/internal/feature/contract.go 43 10 Every new feature flag
10 teller/internal/feature/impl/impl.go 395 10 Every new feature flag

Root Causes of Merge Conflicts

1. Monolithic Proto Files

census.proto has 98 RPCs and 224 messages in a single file. Every new endpoint modifies this file.

Fix: Split by domain:

census/api/grpc/v1/
  product_account.proto    # Product account RPCs
  consumer_profile.proto   # Consumer profile RPCs
  debt_sale.proto          # Debt sale RPCs
  membership.proto         # Membership RPCs

2. Centralized Dependency Wiring

server_init.go (2,214 lines) must be edited every time you add a new client, DAO, or handler. Every InitXxx function is a conflict magnet.

Fix: Use dependency injection registration pattern:

// ledger/internal/domains/creditmanager/module.go
func init() {
    server.RegisterDomain(func(s *Server) error {
        s.CreditManager = creditmanager.New(s.SQLClient, s.Census)
        return nil
    })
}

Domains register themselves; no central file to edit.

3. Feature Flag Interface Explosion

teller/internal/feature/contract.go (43 lines, 32 methods) grows with every feature flag. Each addition: - Modifies the interface - Modifies the impl - Regenerates the mock (7 changes in 50 commits)

Fix: Use a generic feature flag pattern:

type Store interface {
    GetBool(ctx context.Context, key string, defaultVal bool) bool
    GetInt(ctx context.Context, key string, defaultVal int64) int64
    GetJSON(ctx context.Context, key string, out interface{}) error
}

// Usage - no interface change needed:
if store.GetBool(ctx, "enable_payment_plan_job_processing", false) { ... }

4. God Object Domain Managers

product_account/impl/impl.go (1,210 lines) handles too many responsibilities. Recent changes added statement deletion logic, ledger client dependencies, etc.

Fix: Decompose into focused services:

census/internal/domains/product_account/
  create.go       # CreateProductAccount, CreateLoanProductAccount
  delete.go       # DeleteProductAccount, HardDeleteProductAccount  
  update.go       # UpdateProductAccount
  query.go        # GetProductAccount, ListProductAccounts

5. Handler Registration Churn

census/internal/svc/service.go requires adding a new handler field for every new handler type.

Fix: Use a handler registry:

type Server struct {
    handlers map[string]Handler
}

func (s *Server) Register(name string, h Handler) {
    s.handlers[name] = h
}

Quick Wins (Low Effort, High Impact)

  1. Split census.proto into 4-5 domain-specific files. gRPC supports imports.

  2. Generic feature flags - Replace the 32-method interface with 3 generic methods. Eliminates mock regeneration.

  3. Auto-register domains - Use Go's init() pattern to have domains register themselves instead of editing server_init.go.

  4. Extract generated files from repo - Move z_mocks_*.go and z_swagger*.json to a generated directory with a .gitattributes merge strategy: **/z_*.go merge=ours **/z_*.json merge=ours

These four changes would eliminate ~60% of the merge conflict surface area based on the commit patterns.