https://hamsasoftware.com/blog/Weekly practical AI, automation, integrations and software engineering.en-gbThu, 29 Oct 2026 12:00:00 GMThttps://hamsasoftware.com/blog/ten-minutes-with-your-ai-assistants-permissions/https://hamsasoftware.com/blog/ten-minutes-with-your-ai-assistants-permissions/Thu, 29 Oct 2026 12:00:00 GMTAI toolingAn assistant that drafts invoice reminders needs three read permissions in Xero. Here is a one-page review of what it can read, change and refuse, and why a payment scope turns a customer’s email into a ledger entry.https://hamsasoftware.com/blog/recent-cyber-incidents-ai-agents-and-too-much-access/https://hamsasoftware.com/blog/recent-cyber-incidents-ai-agents-and-too-much-access/Thu, 22 Oct 2026 12:00:00 GMTAI developmentsA saved replacement, a running service and an attacker’s existing access can change at different times. Railway’s guidance explains why that matters; PingCAP and PHP show where the next job differs.https://hamsasoftware.com/blog/oprindo-provenance-is-an-integration-responsibility/https://hamsasoftware.com/blog/oprindo-provenance-is-an-integration-responsibility/Thu, 15 Oct 2026 12:00:00 GMTIntegrationsAn Oprindo sample had a matching asset hash and a valid signature, alongside an untrusted credential result. The useful story is in those separate answers.https://hamsasoftware.com/blog/wardos-giving-a-coding-agent-a-bounded-workspace/https://hamsasoftware.com/blog/wardos-giving-a-coding-agent-a-bounded-workspace/Thu, 08 Oct 2026 12:00:00 GMTProject notesYou need the repository; the host keeps the reusable key. WardOS checks what the agent asks to do—and whether a passing test still describes the files being reviewed.https://hamsasoftware.com/blog/tamperward-protecting-the-checks-around-ai-written-code/https://hamsasoftware.com/blog/tamperward-protecting-the-checks-around-ai-written-code/Thu, 01 Oct 2026 12:00:00 GMTProject notesA small Tamperward experiment produced two green test runs for the wrong reason. Comparing them with the original checks exposed the difference.https://hamsasoftware.com/blog/write-an-evaluation-report-someone-can-disagree-with/https://hamsasoftware.com/blog/write-an-evaluation-report-someone-can-disagree-with/Thu, 24 Sep 2026 12:00:00 GMTAI toolingSeparate observed results, inference and release authority, so an attractive score cannot quietly approve a different product.https://hamsasoftware.com/blog/when-ai-can-click-define-what-the-click-means/https://hamsasoftware.com/blog/when-ai-can-click-define-what-the-click-means/Thu, 17 Sep 2026 12:00:00 GMTAI developmentsComputer use needs an observation contract for account, object and outcome, especially when a visible click produces only partial completion.https://hamsasoftware.com/blog/retire-the-automation-when-the-process-moves-on/https://hamsasoftware.com/blog/retire-the-automation-when-the-process-moves-on/Thu, 10 Sep 2026 12:00:00 GMTAutomationRetire intake, accepted jobs and external authority in a deliberate order, so a late event cannot revive an obsolete process.https://hamsasoftware.com/blog/a-dead-letter-queue-needs-a-living-owner/https://hamsasoftware.com/blog/a-dead-letter-queue-needs-a-living-owner/Thu, 03 Sep 2026 12:00:00 GMTIntegrationsRepairing a consumer makes replay possible. Current state, dependencies and recovery admission decide whether it is still appropriate.https://hamsasoftware.com/blog/give-every-image-a-job/https://hamsasoftware.com/blog/give-every-image-a-job/Thu, 27 Aug 2026 12:00:00 GMTEngineeringResolution, crop and reserved space solve different image problems. Design all three around what the reader needs to see.https://hamsasoftware.com/blog/version-the-prompt-and-the-things-around-it/https://hamsasoftware.com/blog/version-the-prompt-and-the-things-around-it/Thu, 20 Aug 2026 12:00:00 GMTAI toolingVersion the resolved configuration around an AI response so comparisons, investigations and rollback refer to the system that actually ran.https://hamsasoftware.com/blog/put-a-budget-around-an-automated-task/https://hamsasoftware.com/blog/put-a-budget-around-an-automated-task/Thu, 13 Aug 2026 12:00:00 GMTAutomationEnforce task limits through atomic reservations and repeat-safe settlement, including the uncomfortable case where a timed-out operation may still be spending.https://hamsasoftware.com/blog/a-backfill-is-a-different-kind-of-integration/https://hamsasoftware.com/blog/a-backfill-is-a-different-kind-of-integration/Thu, 06 Aug 2026 12:00:00 GMTIntegrationsHistorical work needs a population boundary, revision policy and crash-safe checkpoint strategy before its final page can mean done.https://hamsasoftware.com/blog/local-ai-changes-the-questions-you-ask-before-buying/https://hamsasoftware.com/blog/local-ai-changes-the-questions-you-ask-before-buying/Thu, 30 Jul 2026 12:00:00 GMTAI developmentsLocal inference offers a different operating boundary. Evaluate the completed task, data routes and maintenance responsibility before buying into it.https://hamsasoftware.com/blog/your-knowledge-assistant-needs-a-freshness-policy/https://hamsasoftware.com/blog/your-knowledge-assistant-needs-a-freshness-policy/Thu, 23 Jul 2026 12:00:00 GMTAI toolingFreshness follows source dependencies through indexes, summaries, caches and in-flight answers—not just the original URL.https://hamsasoftware.com/blog/a-table-should-still-make-sense-when-you-cannot-see-the-grid/https://hamsasoftware.com/blog/a-table-should-still-make-sense-when-you-cannot-see-the-grid/Thu, 16 Jul 2026 12:00:00 GMTEngineeringA readable table preserves relationships between values, row labels, column headings and actions across different ways of reading.https://hamsasoftware.com/blog/test-the-action-an-assistant-must-refuse/https://hamsasoftware.com/blog/test-the-action-an-assistant-must-refuse/Thu, 09 Jul 2026 12:00:00 GMTAutomationBind an assistant’s approval to the action, target and material revision, then enforce that binding when the write happens.https://hamsasoftware.com/blog/a-document-is-evidence-not-an-instruction-source/https://hamsasoftware.com/blog/a-document-is-evidence-not-an-instruction-source/Thu, 02 Jul 2026 12:00:00 GMTAI toolingExternal instructions can gain apparent legitimacy through summaries and approval screens. Keep the proposal’s origin and actual effect visible.https://hamsasoftware.com/blog/reconciliation-catches-what-a-success-log-misses/https://hamsasoftware.com/blog/reconciliation-catches-what-a-success-log-misses/Thu, 25 Jun 2026 12:00:00 GMTIntegrationsReconcile transactions, payouts and bank entries at their own boundaries. A net total needs an explanation, not a forced match.https://hamsasoftware.com/blog/run-the-new-calculation-beside-the-old-one/https://hamsasoftware.com/blog/run-the-new-calculation-beside-the-old-one/Thu, 18 Jun 2026 12:00:00 GMTEngineeringA shadow comparison exposes differences. Independent rule examples explain whether those differences are bugs, corrections or changed assumptions.https://hamsasoftware.com/blog/long-running-work-needs-a-useful-waiting-screen/https://hamsasoftware.com/blog/long-running-work-needs-a-useful-waiting-screen/Thu, 11 Jun 2026 12:00:00 GMTAutomationA useful waiting screen represents a durable job: accepted work, defensible progress, cancellation and a result you can return to.https://hamsasoftware.com/blog/model-retirement-belongs-on-the-maintenance-calendar/https://hamsasoftware.com/blog/model-retirement-belongs-on-the-maintenance-calendar/Thu, 04 Jun 2026 12:00:00 GMTAI developmentsRetirement work needs both declared consumers and observed usage. A quiet seven-day dashboard cannot account for a monthly dependency.https://hamsasoftware.com/blog/follow-one-order-across-all-its-systems/https://hamsasoftware.com/blog/follow-one-order-across-all-its-systems/Thu, 28 May 2026 12:00:00 GMTIntegrationsBusiness identity and diagnostic identity have different lifetimes. Connecting them makes the waiting between systems visible.https://hamsasoftware.com/blog/give-an-ai-task-a-clean-desk/https://hamsasoftware.com/blog/give-an-ai-task-a-clean-desk/Thu, 21 May 2026 12:00:00 GMTAI toolingCurrent decisions, scoped memories and conversation history do different jobs. A changed site visit shows why the distinction matters.https://hamsasoftware.com/blog/feature-flags-need-a-removal-date/https://hamsasoftware.com/blog/feature-flags-need-a-removal-date/Thu, 14 May 2026 12:00:00 GMTEngineeringAn off switch cannot restore a contract that new writes have already changed. Plan reader and writer compatibility across the transition.https://hamsasoftware.com/blog/an-alert-should-arrive-with-a-next-step/https://hamsasoftware.com/blog/an-alert-should-arrive-with-a-next-step/Thu, 07 May 2026 12:00:00 GMTAutomationA stock feed due at 09:00 shows why deadlines, missing evidence and recovery belong in the alert rule itself.https://hamsasoftware.com/blog/a-documentation-assistant-should-show-its-working-materials/https://hamsasoftware.com/blog/a-documentation-assistant-should-show-its-working-materials/Thu, 30 Apr 2026 12:00:00 GMTAI toolingA citation proves where a sentence came from. It does not settle which source governs the decision.https://hamsasoftware.com/blog/an-api-field-needs-a-meaning-not-just-a-name/https://hamsasoftware.com/blog/an-api-field-needs-a-meaning-not-just-a-name/Thu, 23 Apr 2026 12:00:00 GMTIntegrationsAn unchanged API schema can still alter a weekly report. Define events, corrections and compatibility from the consumer’s side.https://hamsasoftware.com/blog/make-form-errors-easy-to-read-and-easy-to-fix/https://hamsasoftware.com/blog/make-form-errors-easy-to-read-and-easy-to-fix/Thu, 16 Apr 2026 12:00:00 GMTEngineeringReadable error text is only the beginning. Three failures show how focus, retained input and the next action complete the recovery.https://hamsasoftware.com/blog/a-model-launch-is-an-invitation-to-test/https://hamsasoftware.com/blog/a-model-launch-is-an-invitation-to-test/Thu, 09 Apr 2026 12:00:00 GMTAI developmentsA model launch invites a paired migration experiment. The revealing result is often the case that got worse.https://hamsasoftware.com/blog/design-the-manual-fallback-before-you-need-it/https://hamsasoftware.com/blog/design-the-manual-fallback-before-you-need-it/Thu, 02 Apr 2026 12:00:00 GMTAutomationA manual fallback needs a transfer of control. A paused worker, a stale claim and an external booking show why.https://hamsasoftware.com/blog/does-this-task-need-an-agent-or-a-workflow/https://hamsasoftware.com/blog/does-this-task-need-an-agent-or-a-workflow/Thu, 26 Mar 2026 12:00:00 GMTAI toolingA service-desk case set separates uncertain wording, missing evidence, exploratory research and absent authority—four reasons a workflow can stop, with different architectural answers.https://hamsasoftware.com/blog/rate-limits-are-a-planning-input/https://hamsasoftware.com/blog/rate-limits-are-a-planning-input/Thu, 19 Mar 2026 12:00:00 GMTIntegrationsA worked 120-call budget shows what an import costs interactive work, why retries consume the same capacity and how completion promises change with the scheduling rule.https://hamsasoftware.com/blog/who-reviews-the-tests-an-ai-assistant-writes/https://hamsasoftware.com/blog/who-reviews-the-tests-an-ai-assistant-writes/Thu, 12 Mar 2026 12:00:00 GMTEngineeringA fixed-discount example, selected wrong implementations and an executable fixture show what generated tests can establish—and what they can agree to misunderstand.https://hamsasoftware.com/blog/when-an-ai-tool-catalogue-becomes-too-much-information/https://hamsasoftware.com/blog/when-an-ai-tool-catalogue-becomes-too-much-information/Thu, 05 Mar 2026 12:00:00 GMTAI developmentsA maintenance brief needs seventy-five reads whichever interface performs them. Tool discovery changes what the model sees; it does not automatically reduce the work behind it.https://hamsasoftware.com/blog/the-exception-queue-is-part-of-the-product/https://hamsasoftware.com/blog/the-exception-queue-is-part-of-the-product/Thu, 26 Feb 2026 12:00:00 GMTAutomationThirty daily exceptions and eighteen review slots create a growing backlog. A worked capacity ledger shows what it takes to recover before waiting changes the job.https://hamsasoftware.com/blog/teach-an-extraction-tool-how-to-leave-a-blank/https://hamsasoftware.com/blog/teach-an-extraction-tool-how-to-leave-a-blank/Thu, 19 Feb 2026 12:00:00 GMTAI toolingTwelve synthetic invoices reveal the trade between automatic coverage, unsupported accepted values and the review work an extraction policy creates.https://hamsasoftware.com/blog/a-readable-page-starts-before-the-font-choice/https://hamsasoftware.com/blog/a-readable-page-starts-before-the-font-choice/Thu, 12 Feb 2026 12:00:00 GMTEngineeringA worked viewport budget and a reference-return fixture reveal how navigation, promotion and source checking compete with sustained reading.https://hamsasoftware.com/blog/the-payment-timed-out-did-it-happen/https://hamsasoftware.com/blog/the-payment-timed-out-did-it-happen/Thu, 05 Feb 2026 12:00:00 GMTIntegrationsA lost response leaves the payment outcome unresolved. A worked attempt ledger follows provider evidence, concurrent updates and fulfilment recovery.https://hamsasoftware.com/blog/what-open-ai-infrastructure-changes-for-a-small-business/https://hamsasoftware.com/blog/what-open-ai-infrastructure-changes-for-a-small-business/Thu, 29 Jan 2026 12:00:00 GMTAI developmentsA connector can move between assistants while changing the identity behind the request. A worked template-service contract separates portability from permission.https://hamsasoftware.com/blog/count-the-work-around-the-automation/https://hamsasoftware.com/blog/count-the-work-around-the-automation/Thu, 22 Jan 2026 12:00:00 GMTAutomationA generated answer can be quick while review, repairs and maintenance absorb the saving. A one-week enquiry model follows the human work before asking what value was created.https://hamsasoftware.com/blog/safer-models-still-need-application-boundaries/https://hamsasoftware.com/blog/safer-models-still-need-application-boundaries/Thu, 15 Jan 2026 12:00:00 GMTAI developmentsConstitutional Classifiers++ combines contextual checks with selective expensive review. An original cascade example explains why escalation, refusal, missed cases and compute overhead must not be treated as the same result.https://hamsasoftware.com/blog/retrieval-permissions-are-still-permissions/https://hamsasoftware.com/blog/retrieval-permissions-are-still-permissions/Thu, 08 Jan 2026 12:00:00 GMTAI toolingA permitted answer for Alice is not a permitted cache hit for Ben. Revocation also reaches search indexes, old conversation context and links, where a retrieval-only check can be bypassed.https://hamsasoftware.com/blog/a-good-january-project-might-be-deleting-something/https://hamsasoftware.com/blog/a-good-january-project-might-be-deleting-something/Thu, 01 Jan 2026 12:00:00 GMTEngineeringAn old credential has eleven quiet months of logs and an annual job just outside the window. A retirement inventory shows how to remove unnecessary access without guessing what still depends on it.https://hamsasoftware.com/blog/quiet-automation-for-a-quiet-week/https://hamsasoftware.com/blog/quiet-automation-for-a-quiet-week/Thu, 25 Dec 2025 12:00:00 GMTAutomationNo completed jobs might mean no incoming work, a stalled process or lost monitoring. A small state model separates those possibilities before asking someone to respond.https://hamsasoftware.com/blog/dependency-updates-need-a-small-regular-slot/https://hamsasoftware.com/blog/dependency-updates-need-a-small-regular-slot/Thu, 18 Dec 2025 12:00:00 GMTEngineeringA dependency can install cleanly and return the wrong business meaning. A fictional normalisation change shows where an application contract test earns its place in routine upgrades.https://hamsasoftware.com/blog/make-the-visual-explanation-work-without-the-visual/https://hamsasoftware.com/blog/make-the-visual-explanation-work-without-the-visual/Thu, 11 Dec 2025 12:00:00 GMTAI toolingA neat line from file to done can hide the decision that matters. Four mapping cases show how to make a diagram explain a contract rather than merely decorate it.https://hamsasoftware.com/blog/reconciliation-is-the-other-half-of-an-integration/https://hamsasoftware.com/blog/reconciliation-is-the-other-half-of-an-integration/Thu, 04 Dec 2025 12:00:00 GMTIntegrationsA payment-to-access join would revoke a trial, misunderstand refund grace and overlook duplicate grants. A six-member cutoff example shows how to reconcile the business rule instead.https://hamsasoftware.com/blog/let-readers-change-the-spacing/https://hamsasoftware.com/blog/let-readers-change-the-spacing/Thu, 27 Nov 2025 12:00:00 GMTEngineeringA card that looks tidy at the default settings can hide instructions when text spacing changes. An identical-text specimen makes the layout decision and its repair inspectable.https://hamsasoftware.com/blog/a-runbook-should-work-when-its-author-is-away/https://hamsasoftware.com/blog/a-runbook-should-work-when-its-author-is-away/Thu, 20 Nov 2025 12:00:00 GMTAutomationA useful runbook says how to recognise the case, what evidence permits the action, when to stop and what proves completion. A CRM timeout gives those instructions something concrete to do.https://hamsasoftware.com/blog/when-the-evaluators-disagree/https://hamsasoftware.com/blog/when-the-evaluators-disagree/Thu, 13 Nov 2025 12:00:00 GMTAI toolingTwo reviewers can disagree because one is naming the queue and the other is naming every issue. Six messages reveal why changing the model cannot resolve an undefined task.https://hamsasoftware.com/blog/write-the-incident-review-for-the-next-person/https://hamsasoftware.com/blog/write-the-incident-review-for-the-next-person/Thu, 06 Nov 2025 12:00:00 GMTEngineeringAn importer rejects some rows after a change. A synthetic incident record shows how a configuration, an input feature and a failed mitigation can produce a better explanation than “bad deployment”.https://hamsasoftware.com/blog/an-optional-field-can-still-break-an-integration/https://hamsasoftware.com/blog/an-optional-field-can-still-break-an-integration/Thu, 30 Oct 2025 12:00:00 GMTIntegrationsAdding a JSON property can leave one reader unchanged, make another reject the response and shift a third consumer’s CSV. Compatibility depends on what the recipient actually does.https://hamsasoftware.com/blog/does-this-task-need-an-agent/https://hamsasoftware.com/blog/does-this-task-need-an-agent/Thu, 23 Oct 2025 12:00:00 GMTAI toolingA workflow can include branches, judgement and AI-written drafts. The useful reason to add an agent is that evidence must change the plan, not that one input is inconvenient.https://hamsasoftware.com/blog/automate-the-handoff-without-hiding-the-work/https://hamsasoftware.com/blog/automate-the-handoff-without-hiding-the-work/Thu, 16 Oct 2025 12:00:00 GMTAutomationSending a case to someone is different from their accepting responsibility. A versioned handoff shows how to keep work owned while offers expire, context changes and old notifications return.https://hamsasoftware.com/blog/form-labels-should-not-disappear/https://hamsasoftware.com/blog/form-labels-should-not-disappear/Thu, 09 Oct 2025 12:00:00 GMTEngineeringWhen two fields contain the same email address, the values cannot tell you which sends invoices and which sends delivery updates. Labels, hints and errors each have a different job.https://hamsasoftware.com/blog/sonnet-4-5-and-the-value-of-a-checkpoint/https://hamsasoftware.com/blog/sonnet-4-5-and-the-value-of-a-checkpoint/Thu, 02 Oct 2025 12:00:00 GMTAI developmentsClaude Code’s checkpoint launch made experimentation easier. A catalogue-export example shows why restoring a source file is only one part of returning a workflow to a known state.https://hamsasoftware.com/blog/citations-should-let-the-reader-check-the-answer/https://hamsasoftware.com/blog/citations-should-let-the-reader-check-the-answer/Thu, 25 Sep 2025 12:00:00 GMTAI toolingA primary source can establish a release date, report a case and make a vendor judgement. Those are different kinds of evidence, and the sentence beside the link needs to say which one it uses.https://hamsasoftware.com/blog/do-not-let-the-last-editor-win-by-accident/https://hamsasoftware.com/blog/do-not-let-the-last-editor-win-by-accident/Thu, 18 Sep 2025 12:00:00 GMTIntegrationsA stale-save warning protects the record only halfway if it throws away the person’s draft. A three-way quote example shows how to preserve edits without silently choosing a new commercial meaning.https://hamsasoftware.com/blog/follow-one-order-through-the-system/https://hamsasoftware.com/blog/follow-one-order-through-the-system/Thu, 11 Sep 2025 12:00:00 GMTEngineeringA fast request and a fast worker can still leave a customer waiting. Two equal-duration order histories show how queue time, execution and missing evidence lead to different investigations.https://hamsasoftware.com/blog/scheduled-does-not-mean-completed/https://hamsasoftware.com/blog/scheduled-does-not-mean-completed/Thu, 04 Sep 2025 12:00:00 GMTAutomationWednesday’s successful run does not prove Tuesday’s work happened. A period ledger makes missed work selectable, catch-up deliberate and completion something more useful than a green scheduler.https://hamsasoftware.com/blog/use-a-larger-model-where-it-earns-its-place/https://hamsasoftware.com/blog/use-a-larger-model-where-it-earns-its-place/Thu, 28 Aug 2025 12:00:00 GMTAI toolingSending easy work to a smaller model can save money. A hundred-task example shows how the router’s mistakes, detection and repair can change that conclusion.https://hamsasoftware.com/blog/one-operation-can-have-several-attempts/https://hamsasoftware.com/blog/one-operation-can-have-several-attempts/Thu, 21 Aug 2025 12:00:00 GMTIntegrationsRetrying a purchase, editing its basket and deliberately buying the same thing again can look remarkably similar to a request logger. The intent model has to distinguish them.https://hamsasoftware.com/blog/quiet-colours-still-need-contrast/https://hamsasoftware.com/blog/quiet-colours-still-need-contrast/Thu, 14 Aug 2025 12:00:00 GMTEngineeringA warm accent can make a good background and a poor small-text colour. Five calculated pairs show how to preserve a palette while repairing the information people need to read.https://hamsasoftware.com/blog/gpt-5-announced-what-should-a-small-team-test/https://hamsasoftware.com/blog/gpt-5-announced-what-should-a-small-team-test/Thu, 07 Aug 2025 12:00:00 GMTAI developmentsGPT-5’s arrival was a reason to run a useful trial. An export-support reply shows why factual restraint, practical help and a promise the team can keep need separate attention.https://hamsasoftware.com/blog/an-email-is-data-not-authority/https://hamsasoftware.com/blog/an-email-is-data-not-authority/Thu, 31 Jul 2025 12:00:00 GMTAI toolingFollow a recipient change from external text to a proposed tool call, and see where a useful assistant needs a boundary outside its prompt.https://hamsasoftware.com/blog/a-failed-job-needs-a-waiting-room/https://hamsasoftware.com/blog/a-failed-job-needs-a-waiting-room/Thu, 24 Jul 2025 12:00:00 GMTAutomationA dead-letter queue can give a failed message another journey without making its payload correct, its outcome known or its business action new.https://hamsasoftware.com/blog/review-the-ai-change-before-the-explanation/https://hamsasoftware.com/blog/review-the-ai-change-before-the-explanation/Thu, 17 Jul 2025 12:00:00 GMTEngineeringA reassuring summary cannot tell you whether a validator preserves old identifiers, rejects trailing text or understands the contract. Eight small inputs can.https://hamsasoftware.com/blog/money-needs-a-currency-and-a-rounding-rule/https://hamsasoftware.com/blog/money-needs-a-currency-and-a-rounding-rule/Thu, 10 Jul 2025 12:00:00 GMTIntegrationsThree small discounted items produce 15p when each line is rounded and 14p when the total is rounded. Follow the difference into a provider payload and a partial refund.https://hamsasoftware.com/blog/a-search-assistant-needs-a-no-answer-path/https://hamsasoftware.com/blog/a-search-assistant-needs-a-no-answer-path/Thu, 03 Jul 2025 12:00:00 GMTAI toolingAn assistant finds travel reimbursement and an equipment form, then invents a home-monitor rule between them. Four source-and-question cases show a more useful response.https://hamsasoftware.com/blog/modernisation-can-start-with-one-report/https://hamsasoftware.com/blog/modernisation-can-start-with-one-report/Thu, 26 Jun 2025 12:00:00 GMTEngineeringAn old report and its replacement both show £200. Comparing six underlying records reveals two differences that the matching total has concealed.https://hamsasoftware.com/blog/approval-buttons-need-context/https://hamsasoftware.com/blog/approval-buttons-need-context/Thu, 19 Jun 2025 12:00:00 GMTAutomationFollow a purchase request whose destination changes while the reviewer is reading it, and the server rule that keeps the final action tied to the decision.https://hamsasoftware.com/blog/an-ai-evaluation-set-you-can-maintain/https://hamsasoftware.com/blog/an-ai-evaluation-set-you-can-maintain/Thu, 12 Jun 2025 12:00:00 GMTAI toolingTwo routing policies, one small teaching dataset: the more accurate policy misses critical requests, while the other needs more capacity than the team may have.https://hamsasoftware.com/blog/give-your-integration-a-time-budget/https://hamsasoftware.com/blog/give-your-integration-a-time-budget/Thu, 05 Jun 2025 12:00:00 GMTIntegrationsWhen a late supplier acknowledgement arrives after the customer asks to cancel, one status field is not enough to describe what the business knows and wants.https://hamsasoftware.com/blog/choose-fonts-by-reading-the-page/https://hamsasoftware.com/blog/choose-fonts-by-reading-the-page/Thu, 29 May 2025 12:00:00 GMTEngineeringA controlled specimen puts the same paragraph, reference code, figures and completed field in two font stacks, so the decision has something concrete to rest on.https://hamsasoftware.com/blog/claude-4-and-the-longer-task-question/https://hamsasoftware.com/blog/claude-4-and-the-longer-task-question/Thu, 22 May 2025 12:00:00 GMTAI developmentsThe May 2025 launch promised stronger sustained coding. Here is a concrete way to test the work left behind, using two patches and six independent contract cases.https://hamsasoftware.com/blog/webhooks-arrive-without-a-timetable/https://hamsasoftware.com/blog/webhooks-arrive-without-a-timetable/Thu, 15 May 2025 12:00:00 GMTIntegrationsThree deliveries can turn a paid booking back into a pending one and send two welcome messages. A worked projection shows where the interpretation goes wrong.https://hamsasoftware.com/blog/design-the-manual-fallback-first/https://hamsasoftware.com/blog/design-the-manual-fallback-first/Thu, 08 May 2025 12:00:00 GMTAutomationA worked restart manifest: distinguish completed manual work, an uncertain send, a changed record and an untouched enquiry before turning automation back on.https://hamsasoftware.com/blog/invoice-extraction-needs-a-place-for-unknown/https://hamsasoftware.com/blog/invoice-extraction-needs-a-place-for-unknown/Thu, 01 May 2025 12:00:00 GMTAI toolingAn extractor finds a valid date on an invoice and assigns it to the wrong field. The mistake survives a format check; following the cited line explains what the next check needs to establish.https://hamsasoftware.com/blog/write-the-runbook-for-the-person-who-is-interrupted/https://hamsasoftware.com/blog/write-the-runbook-for-the-person-who-is-interrupted/Thu, 24 Apr 2025 12:00:00 GMTAutomationA late import has three unresolved records with three different meanings. The useful runbook starts with a current observation, then makes authority, escalation and closure explicit.https://hamsasoftware.com/blog/save-the-order-and-its-next-step-together/https://hamsasoftware.com/blog/save-the-order-and-its-next-step-together/Thu, 17 Apr 2025 12:00:00 GMTIntegrationsAn outbox preserves an unfinished obligation. A worked crash ledger shows what that buys, where duplicates remain and why the receiver needs its own boundary.https://hamsasoftware.com/blog/a-cloud-budget-alert-is-a-prompt-to-act/https://hamsasoftware.com/blog/a-cloud-budget-alert-is-a-prompt-to-act/Thu, 10 Apr 2025 12:00:00 GMTEngineeringAn illustrative batch cost breakdown separates delayed notification, repeated attempts and cost per useful completion.https://hamsasoftware.com/blog/your-ai-evaluation-should-change-when-the-work-changes/https://hamsasoftware.com/blog/your-ai-evaluation-should-change-when-the-work-changes/Thu, 03 Apr 2025 12:00:00 GMTAI toolingA six-case onboarding-rule diff shows which expectations change, which remain valid and why old and new scores need different task identities.https://hamsasoftware.com/blog/a-dry-run-should-produce-a-change-plan/https://hamsasoftware.com/blog/a-dry-run-should-produce-a-change-plan/Thu, 27 Mar 2025 12:00:00 GMTAutomationPlan P7 changes one still-matching product, records one conflict and leaves a newly matching product untouched.https://hamsasoftware.com/blog/caching-a-response-also-caches-its-assumptions/https://hamsasoftware.com/blog/caching-a-response-also-caches-its-assumptions/Thu, 20 Mar 2025 12:00:00 GMTIntegrationsA two-account preference example separates storage, validation and current access, including the case where an old ETag must not produce 304.https://hamsasoftware.com/blog/debug-by-changing-one-explanation-at-a-time/https://hamsasoftware.com/blog/debug-by-changing-one-explanation-at-a-time/Thu, 13 Mar 2025 12:00:00 GMTEngineeringA constructed write-permission failure shows how controlled comparisons change the next decision without proving more than their evidence supports.https://hamsasoftware.com/blog/give-an-ai-workflow-a-stopping-budget/https://hamsasoftware.com/blog/give-an-ai-workflow-a-stopping-budget/Thu, 06 Mar 2025 12:00:00 GMTAI toolingA twelve-step sequential controller separates repeated evidence, hard limits, blocked access and the work needed to hand over.https://hamsasoftware.com/blog/carry-the-unit-with-the-number/https://hamsasoftware.com/blog/carry-the-unit-with-the-number/Thu, 27 Feb 2025 12:00:00 GMTAutomationA bounded GBP/JPY converter shows why currency, scale and source representation must survive each interface, even when the arithmetic is exact.https://hamsasoftware.com/blog/an-accessible-error-message-tells-someone-how-to-continue/https://hamsasoftware.com/blog/an-accessible-error-message-tells-someone-how-to-continue/Thu, 20 Feb 2025 12:00:00 GMTEngineeringA retained eighty-word enquiry and one rejected email expose why error recovery needs state, labels, associations and a usable correction route.https://hamsasoftware.com/blog/an-api-upgrade-is-a-behaviour-migration/https://hamsasoftware.com/blog/an-api-upgrade-is-a-behaviour-migration/Thu, 13 Feb 2025 12:00:00 GMTIntegrationsFive mixed-version records expose the difference between valid JSON, representable unknown states and safe status-dependent actions.https://hamsasoftware.com/blog/give-a-coding-assistant-a-smaller-clearer-task/https://hamsasoftware.com/blog/give-a-coding-assistant-a-smaller-clearer-task/Thu, 06 Feb 2025 12:00:00 GMTAI toolingA filter-retention brief becomes reviewable when Back, reload, copied links and account switches have explicit expected outcomes.https://hamsasoftware.com/blog/reconciliation-should-explain-the-difference/https://hamsasoftware.com/blog/reconciliation-should-explain-the-difference/Thu, 30 Jan 2025 12:00:00 GMTAutomationA three-event comparison proves why equal row counts and equal totals can conceal both a duplicate and a missing event.https://hamsasoftware.com/blog/a-feature-flag-needs-an-expiry-condition/https://hamsasoftware.com/blog/a-feature-flag-needs-an-expiry-condition/Thu, 23 Jan 2025 12:00:00 GMTEngineeringA reader/index compatibility matrix shows why a release flag can remain operable after the old route stops being a valid fallback.https://hamsasoftware.com/blog/the-first-page-is-not-the-whole-dataset/https://hamsasoftware.com/blog/the-first-page-is-not-the-whole-dataset/Thu, 16 Jan 2025 12:00:00 GMTIntegrationsA five-record traversal shows exactly how deletion causes an omission, insertion causes repetition and a premature checkpoint loses committed progress.https://hamsasoftware.com/blog/drafting-an-email-and-sending-it-are-different-tasks/https://hamsasoftware.com/blog/drafting-an-email-and-sending-it-are-different-tasks/Thu, 09 Jan 2025 12:00:00 GMTAI toolingA three-sentence customer reply becomes a concrete evidence review: label creation, a missing delivery estimate and a replacement still awaiting approval.https://hamsasoftware.com/blog/a-backup-becomes-credible-when-a-restore-works/https://hamsasoftware.com/blog/a-backup-becomes-credible-when-a-restore-works/Thu, 02 Jan 2025 12:00:00 GMTEngineeringA disposable booking-and-attachment rehearsal exposes two failures that a successful database query cannot detect.https://hamsasoftware.com/blog/automate-the-repeated-work-keep-the-useful-judgement/https://hamsasoftware.com/blog/automate-the-repeated-work-keep-the-useful-judgement/Thu, 26 Dec 2024 12:00:00 GMTAutomationA time-only reporting example compares two improvements, their upkeep and the frequency at which either earns its setup effort.https://hamsasoftware.com/blog/decembers-useful-agent-distinction-workflow-or-exploration/https://hamsasoftware.com/blog/decembers-useful-agent-distinction-workflow-or-exploration/Thu, 19 Dec 2024 12:00:00 GMTAI developmentsTwo explicit control paths separate difficult interpretation inside a known process from investigation whose next action depends on new evidence.https://hamsasoftware.com/blog/a-knowledge-assistant-needs-source-boundaries/https://hamsasoftware.com/blog/a-knowledge-assistant-needs-source-boundaries/Thu, 12 Dec 2024 12:00:00 GMTAI toolingAn invented three-policy corpus shows why applicability must constrain retrieval before attractive passages displace eligible evidence.https://hamsasoftware.com/blog/two-systems-need-a-rule-for-who-owns-the-field/https://hamsasoftware.com/blog/two-systems-need-a-rule-for-who-owns-the-field/Thu, 05 Dec 2024 12:00:00 GMTIntegrationsOmitted, empty and null fields express different edits. A contact example adds the version check that prevents an old form from silently overwriting newer work.https://hamsasoftware.com/blog/mcp-made-the-connection-standard-permissions-still-needed-design/https://hamsasoftware.com/blog/mcp-made-the-connection-standard-permissions-still-needed-design/Thu, 28 Nov 2024 12:00:00 GMTAI developmentsA source-checked illustrative transcript separates the original protocol’s common lifecycle and tool calls from source-specific meaning.https://hamsasoftware.com/blog/trace-one-customer-request-across-the-hand-offs/https://hamsasoftware.com/blog/trace-one-customer-request-across-the-hand-offs/Thu, 21 Nov 2024 12:00:00 GMTEngineeringAn order-to-operation crosswalk shows how useful correlation survives a new attempt, a new trace and a missing context field.https://hamsasoftware.com/blog/a-manual-fallback-is-part-of-the-automation/https://hamsasoftware.com/blog/a-manual-fallback-is-part-of-the-automation/Thu, 14 Nov 2024 12:00:00 GMTAutomationThree booking requests expose why intake, automatic writes and manual handling need distinct fallback decisions.https://hamsasoftware.com/blog/choose-integration-access-by-the-job-it-performs/https://hamsasoftware.com/blog/choose-integration-access-by-the-job-it-performs/Thu, 07 Nov 2024 12:00:00 GMTIntegrationsA source-read/report-write example shows why business purposes, OAuth scope and revocation boundaries need separate records.https://hamsasoftware.com/blog/review-the-diff-that-changes-how-the-diff-is-checked/https://hamsasoftware.com/blog/review-the-diff-that-changes-how-the-diff-is-checked/Thu, 31 Oct 2024 12:00:00 GMTEngineeringAn executed two-command example shows how a familiar test job can turn green by selecting less evidence rather than fixing a defect.https://hamsasoftware.com/blog/the-document-is-evidence-not-an-instruction/https://hamsasoftware.com/blog/the-document-is-evidence-not-an-instruction/Thu, 24 Oct 2024 12:00:00 GMTAI toolingA small invoice-draft gate shows how tool and argument policy can reject unwanted effects independently of a model’s wording.https://hamsasoftware.com/blog/nine-oclock-is-not-a-complete-schedule/https://hamsasoftware.com/blog/nine-oclock-is-not-a-complete-schedule/Thu, 17 Oct 2024 12:00:00 GMTAutomationFour London clock examples turn a vague daily schedule into an explicit policy for ordinary, repeated and missing local times.https://hamsasoftware.com/blog/give-each-integration-a-time-budget/https://hamsasoftware.com/blog/give-each-integration-a-time-budget/Thu, 10 Oct 2024 12:00:00 GMTIntegrationsA worked 2,500-millisecond lookup shows why retries, backoff and response preparation must spend the same allowance.https://hamsasoftware.com/blog/readable-typography-is-an-engineering-concern/https://hamsasoftware.com/blog/readable-typography-is-an-engineering-concern/Thu, 03 Oct 2024 12:00:00 GMTEngineeringA service-card specimen exposes the choice between preserving a tidy rectangle and preserving the words and link inside it.https://hamsasoftware.com/blog/build-an-evaluation-set-before-polishing-the-prompt/https://hamsasoftware.com/blog/build-an-evaluation-set-before-polishing-the-prompt/Thu, 26 Sep 2024 12:00:00 GMTAI toolingA twelve-message routing sheet shows why labels, adjudication and case grouping come before a persuasive accuracy score.https://hamsasoftware.com/blog/the-csv-import-deserves-a-preview-screen/https://hamsasoftware.com/blog/the-csv-import-deserves-a-preview-screen/Thu, 19 Sep 2024 12:00:00 GMTAutomationA five-row price file reveals the gap between parsing text and agreeing what changes it authorises.https://hamsasoftware.com/blog/let-the-database-enforce-the-rule-that-matters/https://hamsasoftware.com/blog/let-the-database-enforce-the-rule-that-matters/Thu, 12 Sep 2024 12:00:00 GMTEngineeringA fixed-slot booking example shows why a database invariant must cover competing writes, cancellation and a failed move.https://hamsasoftware.com/blog/a-webhook-is-a-message-you-may-see-twice/https://hamsasoftware.com/blog/a-webhook-is-a-message-you-may-see-twice/Thu, 05 Sep 2024 12:00:00 GMTIntegrationsDurable receipt, a membership transition and a welcome pack are separate obligations. Give each the identity and recovery boundary it needs.https://hamsasoftware.com/blog/give-an-ai-extractor-permission-to-leave-a-field-blank/https://hamsasoftware.com/blog/give-an-ai-extractor-permission-to-leave-a-field-blank/Thu, 29 Aug 2024 12:00:00 GMTAI toolingA missing availability date may mean silence, a relative statement or a conflict. Preserve the difference when it changes the next action.https://hamsasoftware.com/blog/modernise-one-useful-seam-at-a-time/https://hamsasoftware.com/blog/modernise-one-useful-seam-at-a-time/Thu, 22 Aug 2024 12:00:00 GMTEngineeringA read-only search slice can reveal whether a replacement preserves permission boundaries before the whole business depends on it. Six worked queries separate a useful ranking change from an unauthorised result.https://hamsasoftware.com/blog/draw-the-exception-path-before-automating-the-happy-path/https://hamsasoftware.com/blog/draw-the-exception-path-before-automating-the-happy-path/Thu, 15 Aug 2024 12:00:00 GMTAutomationA duplicate delivery, a repeated attachment and a corrected invoice are different events. A worked case model shows how one reviewer can keep them connected without confusing delivery with resolution.https://hamsasoftware.com/blog/structured-outputs-arrived-business-validation-stayed/https://hamsasoftware.com/blog/structured-outputs-arrived-business-validation-stayed/Thu, 08 Aug 2024 12:00:00 GMTAI developmentsThe August 2024 announcement made output shape more dependable. A worked repairs enquiry shows why structure, evidence and diary availability still need different checks.https://hamsasoftware.com/blog/when-a-retry-becomes-a-second-order/https://hamsasoftware.com/blog/when-a-retry-becomes-a-second-order/Thu, 01 Aug 2024 12:00:00 GMTIntegrationsA retry key is a promise about a particular purchase. A worked request ledger and tested failure cases show what has to remain true when calls overlap, answers disappear and the payload changes.