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wa.me/username doesn't work yet — I verified it two ways, here's what to use instead If you've tried to build a "share my WhatsApp" link using a @username instead of a phone number, you've probably assumed wa.me/username (or wa.me/u/username ) works the same way wa.me/15551234567 does. It doesn't — at least not yet, as of writing this. I wanted a definitive answer instead of trusting blog posts or AI chatbot answers (more on that below), so I tested it two independent ways. Test 1: server response curl -I https://wa.me/u/some_real_reserved_username Every username path I tried — including a certified-real, currently-reserved username — 302-redirects to: api.whatsapp.com/resolve/?deeplink=...&not_found=1 Compare that to the phone-number path, which redirects to: api.whatsapp.com/send/?phone=...&type=phone_number Different resolver, different outcome. The server-side route for usernames exists, but every lookup currently resolves as "not found" — even for real, live usernames. Test 2: real device Server response alone doesn't rule out Universal Links / App Links intercepting the URL client-side before it ever hits a server — curl can't see that. So I also opened all three link variants ( wa.me/username , wa.me/u/username , and a redirect through my own domain) on a real phone with WhatsApp installed. None of them opened a chat. Why this matters if you're building anything around WhatsApp usernames WhatsApp has rolled out @username handles as a real, user-facing feature — but it hasn't published a public deep-link spec for opening a chat from one, the way it has for phone numbers for years. If you're building a tool, a profile page, a business card generator, anything that assumes wa.me/username "just works," it doesn't, for anyone. One more data point: I asked Meta AI directly about this, with the counter-evidence above in hand. It kept asserting the link already works and didn't engage with the evidence when pushed. That's a useful reminder that chatbot answers about

Governance is not a set of rules layered on top of AI. It is the structural logic that determines how meaning, constraint, and legitimacy are maintained as the system accelerates. If Pillar 1 establishes the need for a sovereign semantic foundation, Pillar 2 defines the governance architecture that must sit above it — not as oversight, but as physics. The Perception Governance is often treated as a reactive discipline: policies, audits, compliance frameworks, risk registers, and oversight mechanisms designed to keep AI “within bounds.” This assumes governance is something external — a supervisory layer that watches, corrects, and intervenes when systems behave unexpectedly. But this view is fundamentally flawed. It treats governance as a response rather than a structure. The Reality Governance is not external to the system. Governance is the system. If the architecture cannot represent constraint, legitimacy, and permissible transitions internally, no external governance mechanism can compensate for that absence. Oversight becomes containment. Policy becomes patching. Compliance becomes theatre. True governance is not about controlling behaviour. It is about ensuring the system’s behaviour emerges from legitimate semantics in the first place. Governance is not a supervisory function. Governance is an architectural function. What Governance Actually Is In sovereign AI, governance is the structural logic that ensures: meaning remains coherent boundaries remain stable transitions remain legitimate behaviour remains aligned with the system’s semantic substrate Governance is not a set of rules. Governance is the architecture that determines how rules exist. It defines: how constraints are represented how legitimacy is encoded how transitions are validated how the system maintains coherence under acceleration how external pressure is absorbed without destabilising meaning Governance is not about preventing misbehaviour. It is about ensuring misbehaviour cannot emerge from

TLDR: The most powerful AI on the planet, only a few days of access. Maximize it. I'd first like to give credit where it's due: @trickell - Thank you for sharing Network Chuck's youtube video with me. The reference video is found here guys if you missed it: Network Chuck's Video on Fable I first started by creating a nice template for tech documentation for personal use. It created a beautiful piece of work in about 5 minutes - something I could easily expand on in the future. Here is what it generated for me with after a one or two careful prompts: Clean UI, Easy Navigation! Created this personal reference guide for studying for CCNA (Network Chucks Summer of CCNA) Wanna see it? It lives here: Techdocs But after learning about the true span of Fable's power, I started asking the serious questions, the ones that are life-changing. How can I increase my quality of life based on my resume, experience, and current life circumstances? I wrote about 2 pages of life issues that needed fixing - you know the stuff that slowly eats away at your soul, like student loan debt and people that are challenging to work with? Yes - I told it my biggest issues and instructed it to give me actionable plans that are free or low-cost. Even fable told me that this was a lot. 😅 Getting Organized Knowing the scope of my own problems I knew that my thoughts and processes had to be organized. Luckily for me, I remembered I had a good place to do that. A place that Fable could connect to and place documentation in place for me with checklists, notes, summaries and actionable plans. That app is called Notion, and some of you may have heard of it. No one is going to organize your life for you, no one, except for AI I couldn’t think of a better place for lightning fast critical life-admin documentation on the spot. And I can tell you, this integration works like a charm, and I highly recommend it. For a busy person with a million ideas, this is great. Anxiety Relief I had a tremendous amount of

AI doesn’t become sovereign because it is powerful. It becomes sovereign when it is built on a foundation capable of representing meaning, constraints, and legitimacy. Before scale, before optimisation, before autonomy, there must be architecture. Pillar 1 introduces the structural reality: sovereignty cannot emerge from systems built on non‑sovereign foundations. The Perception Most discussions about AI sovereignty focus on perceived challenges: speed, scale, capability, and the widening gap between technological acceleration and governance capacity. These concerns are understandable — AI is moving quickly, and institutions are struggling to keep pace. But none of these are the real challenge. They are symptoms of a deeper architectural issue, not the cause. The Reality The real challenge isn’t that AI is accelerating faster than governance. It’s that the systems we’re trying to govern were never built on the right semantic foundations. We’re not dealing with a speed problem. We’re dealing with an origin problem. If the base semantics are wrong, every behaviour, boundary, and constraint the system learns will be shaped by that initial misalignment. And once misalignment becomes embedded at the origin layer, no amount of oversight, policy, or optimisation can correct it — only contain it. What Sovereign Actually Means Sovereign doesn’t mean national. It doesn’t mean local. It doesn’t mean “our cloud instead of theirs.” And it definitely doesn’t mean branding. Sovereign, in the context of AI, means something far more fundamental: the ability to maintain coherent meaning, stable constraints, and legitimate behaviour regardless of external acceleration. Sovereignty is not a political property. It is a physics property. A system is sovereign when its core semantics — its understanding of meaning, boundaries, and permissible transitions — cannot be destabilised by external actors, external systems, or external optimisation pressure. With the wrong base semantics, soverei

Explore the latest CodeZero canary release featuring AI-powered flow generation, a brand-new module system, and a new execution results view in the IDE. We are excited to announce the release of our latest canary version, one of the biggest steps in the development of CodeZero so far. This update brings artificial intelligence into the platform for the first time, introduces a completely new module system, and gives you full insight into your flow runs with a new execution results view in the IDE. Build flows with AI CodeZero can now generate flows for you. Simply describe what your automation should do, pick one of the available AI models, and watch your flow being built in real time. This is the first milestone on our journey to make backend automation accessible to everyone, whether you prefer building visually or simply describing your idea in plain language. A smarter way to organize: modules With this release, the entire platform has been restructured around modules. Functions, flow types, and data types are now neatly bundled and delivered as modules, making it much clearer which capabilities are available in your project at any time. You can see all available modules at a glance, configure them individually for each project, and when adding a new step to a flow, suggestions are now conveniently grouped by module. The result is a tidier, more intuitive building experience that scales with your projects. Execution results at a glance Understanding what your flows are doing just got a lot easier. The IDE now features a new execution results view that shows you the outcome of every run, step by step, so finding and fixing problems takes seconds instead of guesswork. Results are saved as well, letting you revisit previous runs whenever you need them. Behind the scenes, this release also lays the complete groundwork for test executions, so soon you will be able to start test runs directly from the IDE. A better building experience The IDE has received plenty of lo

An astrolabe doesn’t map every star. It gives you a way to find your position relative to the ones that hold still. That’s the instrument I reach for when someone asks which AI tool they should be using. The honest answer is that the tools will be different in six months. The layers won’t. I spent a week trying to make sense of a handful of names that kept showing up in the same conversations. Tessl . Goose . Archestra . Kestra . Modelplane . RAG , MCP , half a dozen others orbiting nearby. Each one has its own pitch, its own funding round, its own reason it’s the thing you should adopt next. Taken together they read like noise. Taken apart, they sit on different floors of the same building. The agent loop again, the one I keep coming back to. Once you place each tool on a floor, the noise turns into a map. Tessl sits left of the loop , at the intent layer. Turn a spec into something an agent runs against directly. This is the one tool on the list that pushes back instead of going along with it. A well-formed spec is not the same thing as a team that agrees on what the spec means. The Agora produces the second thing as a byproduct of producing the first. Tessl produces the first and assumes the second follows. It doesn’t, automatically. That’s the whole argument. RAG and MCP are plumbing. Protocol, not position. They carry context into the loop and don’t take a side in any argument about who should be in the room when the spec gets written. They’re also the one floor with an actual standard. MCP, A2A , ACP , all under Linux Foundation governance now, joint working groups, cross-protocol commitments. Passing data between systems is a solved problem with decades of precedent behind it, so it standardized almost on contact. Nothing else on this floor plan has that. Governance, orchestration, the harness, the spec layer: every vendor is still building its own version and calling it the obvious one. The standard showed up first at the floor that mattered least to this ar

Over the past week, a new fanworks movement has kicked off, with the aim to root out authors using generative AI. But the detection methods being implemented are questionable, and any fanfic writer could be caught in the crossfire. Broad distaste around the use of Claude, ChatGPT, and other AI tools has long been a […]

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We have all been there. You are sitting at your desk late at night, your code is throwing errors that...

Book: Observability for LLM Applications — Tracing, Evals, and Shipping AI You Can Trust Also by me: Agents in Production — the companion book in The AI Engineer's Library (2-book series) My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub Your triage agent has been in production for three months. The traces look clean. Every span is green, every run terminates, the p95 latency is flat, the token bill is boring. Then support forwards you a screenshot: the agent routed a billing refund to the security queue. You pull the trajectory. Nothing is broken. The agent called a reasonable tool with reasonable arguments, got a reasonable result, and picked the wrong queue with total confidence. That is silent drift. The trace shows you what the agent did. It does not tell you whether what it did was any good. Between a model provider's minor version bump, a prompt tweak someone shipped on Tuesday, and the slow shift in your incoming traffic, the quality of your agent's decisions moves. It rarely announces itself with an error. It shows up as a support ticket, then a second one, then a churned account. You catch it the same way you catch a memory leak: with a baseline and an alarm, not by staring at dashboards. Decision quality is a distribution, not a number The failing traces in Chapter 12 of Agents in Production are the easy case. Twenty retries of the same empty search is visibly wrong. You see the loop count in the invoke_agent parent and you know. Most quality regressions are not visible in a single trace. They show up only when you look at the distribution of decisions across thousands of runs. So the first thing to instrument is the decision itself. If you followed the tracing chapter you already emit a small fixed vocabulary per chat span: span . set_attribute ( " gen_ai.agent.step " , 3 ) span . set_attribute ( " gen_ai.agent.decision " , " call_tool " ) span . set_attribute ( " gen_ai.

I didn’t set out to become a systems architect. In fact, I didn’t even know that’s what I was becoming. There was no grand plan, no formal training, no moment where someone handed me a title. It happened the same way most systems failures happen: slowly, then all at once. What I did have was a habit. Whenever something broke — a workflow, a process, a piece of software, an organisation — I couldn’t leave it alone. I needed to understand why. Not the surface‑level “why,” but the structural one. The hidden one. The one nobody sees until it’s too late. Most people move on when something fails. I map it. I started noticing patterns. The same failure modes appeared everywhere: unclear ownership, mismatched incentives, brittle assumptions, invisible dependencies, and the classic “we built this fast and hoped it wouldn’t collapse.” Different domains, same architecture problems. I wasn’t trying to fix things. I was trying to understand them. But understanding inevitably leads to repair, and repair inevitably leads to design. Eventually I realised I wasn’t just analysing systems — I was architecting them. Not officially. Not ceremonially. Just… functionally. I became the person who could see the structure beneath the mess. The person who could explain why something was breaking and what would happen next. The person who could redesign the thing so it wouldn’t break again. People started asking me questions that only architects get asked. “Why is this happening?” “How do we stop it?” “What should this look like instead?” “What’s the underlying pattern here?” I didn’t have a job title for it. I didn’t need one. The work defined itself. Over time, I realised that “systems architect” was simply the most accurate description of what I was already doing. Not in the traditional enterprise sense — no UML diagrams, no formal frameworks, no ivory‑tower abstractions. More like: the person who sees the real structure beneath the chaos and can articulate it clearly enough that others fin

Sony shared an announcement with the console market: physical disc production for all PlayStation games will completely stop in January 2028. You can read the official announcement on the PlayStation Blog . From a pure engineering perspective, modern internet infrastructure has rendered physical distribution redundant. We no longer need plastic circles to transport megabytes. The gamer community response isn't about data transfer speeds. It is over true digital ownership, consumer rights, and software preservation. In this article, we break down the details, look at the history leading to this moment and explore why console makers would pursue this direction. 🔍 The Announcement Break Down The 2028 Deadline: The mandate strictly applies to new games launching after January 1, 2028. Legacy Back Catalog: Discs pressed before this date will still function (assuming future hardware maintains optical drive compatibility). "Code-in-a-Box" Retail: Stores will still sell physical cases on shelves, but they will contain a paper download voucher instead of a disc. I am no sustanability poster boy, seems wasteful to preserve retail shelf presence. 🛑 The Illusion of Ownership: "Buying" vs. "Renting" When you hit "Buy" on a digital storefront, you aren't purchasing a game. You are purchasing a conditional license to stream or download it—a long-term rental agreement that can be unilaterally altered or revoked. No Secondary Market: Players completely lose the ability to resell, trade, or lend games to friends. Monopoly Pricing: Eliminating discs removes competitive pricing from retailers like GameStop, JB Hi-Fi, or Amazon, leaving users locked to a single proprietary storefront. Delisting Vulnerability: If a publisher loses IP rights, the software vanishes instantly. 🎮 Case Study: My Close Call with Digital Erasure Look no further than Star Trek: Resurgence for proof of how fragile digital stores are. In April 2026, the publishers suddenly lost their IP distribution rights. Within

Book: Agents in Production — Building, Tracing, and Shipping Multi-Step AI You Can Trust Also by me: Observability for LLM Applications — the companion book in The AI Engineer's Library (2-book series) My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub In June 2025 two engineering teams posted opposite advice in the same week. Anthropic shipped How we built our multi-agent research system : an orchestrator dispatching subtasks to worker agents, beating a single agent by 90.2% on breadth-first research. A few days later Cognition, the team behind Devin, published Don't Build Multi-Agents , arguing that parallel subagents without shared context produce fragile systems. Both were right. They were describing different workloads. Anthropic's research agent is embarrassingly parallel: four workers go read four things and come back with four small summaries. Cognition's target is writing code, where every edit depends on every other edit and context cannot be sliced. Most people get the plumbing wrong, not the decision. Once you have two agents that need to coordinate, you have to choose how they talk. That choice decides your failure modes long before the models do. Handoffs vs a shared bus There are two ways to wire agents together, and they fail differently. A handoff transfers control. Agent A finishes, hands the whole conversation to Agent B, and steps out. This reads well in a demo. In production it means the transcript grows on every hop, and by the fourth agent you are paying to re-read a conversation nobody trimmed. Handoffs also lose the parent: once A hands off to B, nobody is holding the original task to check the final answer against it. A shared bus keeps a supervisor in charge. Workers never talk to each other. They receive a small typed task, do the work, and return a small typed artifact to the supervisor, which composes the result. This is the shape of Anthropic's research

Book: Agents in Production — Building, Tracing, and Shipping Multi-Step AI You Can Trust Also by me: Observability for LLM Applications — the companion book in The AI Engineer's Library (2-book series) My project: Hermes IDE | GitHub — an IDE for developers who ship with Claude Code and other AI coding tools Me: xgabriel.com | GitHub The agent works on your laptop. It passes evals. Your manager asks when it ships and you say Monday, because the modeling is done. Then you try to put it behind a load balancer and it falls apart, because you deployed it like a web service. An agent is not a web service. A web service answers in milliseconds and forgets. An agent thinks for minutes, burns tokens across two or three providers, streams partial output to a browser, and sometimes decides to call delete_invoice on the eighth turn. Every deployment decision you make flows from one question: what does this thing do to your infrastructure while it is running? Here is how to package it, where to hold state, and how to scale a workload whose bottleneck is a model call you do not control. The shape is decided by the longest step The single rule that saves you the most pain: an agent's deployment shape is decided by its longest step, not its average step. A support chatbot answers in two seconds. A code-review agent thinks for six minutes. A research agent runs for forty. You cannot put all three behind the same HTTP endpoint and expect any of them to survive. Pick the pattern that matches the longest step, then cap the rest with timeouts. Under 30s → stateless HTTP endpoint (Cloud Run, Fly.io). 30s to 5m with a user watching → streaming over WebSocket or SSE. 5m to an hour, async → queue plus worker (Temporal, Inngest, or Redis). Longer than an hour → still queue plus worker, whether you like it or not. Do not hold an HTTP request open for forty minutes. Something you did not know existed will kill it at the worst moment: a proxy, a CDN, a load-balancer idle timeout. Package it: p